#  @coreyspowell Corey S. Powell
Corey S. Powell posts on X about comet, solar, sun, space the most. They currently have [------] followers and [----] posts still getting attention that total [-----] engagements in the last [--] hours.
### Engagements: [-----] [#](/creator/twitter::21634600/interactions)
- [--] Week [------] +443%
- [--] Month [------] -27%
- [--] Months [---------] +662%
- [--] Year [---------] -24%
### Mentions: [--] [#](/creator/twitter::21634600/posts_active)
- [--] Months [---] +81%
- [--] Year [---] -66%
### Followers: [------] [#](/creator/twitter::21634600/followers)
- [--] Week [------] -0.01%
- [--] Month [------] -0.04%
- [--] Months [------] -4.70%
- [--] Year [------] -5.40%
### CreatorRank: [---------] [#](/creator/twitter::21634600/influencer_rank)
### Social Influence
**Social category influence**
[countries](/list/countries) [finance](/list/finance) [social networks](/list/social-networks) [technology brands](/list/technology-brands) [celebrities](/list/celebrities) [travel destinations](/list/travel-destinations) [cryptocurrencies](/list/cryptocurrencies) [stocks](/list/stocks) [ncaa football](/list/ncaa-football) [musicians](/list/musicians)
**Social topic influence**
[comet](/topic/comet), [solar](/topic/solar), [sun](/topic/sun), [space](/topic/space), [earth](/topic/earth), [moon](/topic/moon), [the first](/topic/the-first), [antimatter](/topic/antimatter), [image](/topic/image) #1787, [asteroid](/topic/asteroid)
**Top assets mentioned**
[ASTEROID (ASTEROID)](/topic/asteroid) [Neutron (NTRN)](/topic/neutron) [Intuitive Machines, Inc. (LUNR)](/topic/intuitive-machines) [Waves (WAVES)](/topic/waves) [OORT (OORT)](/topic/oort) [Robot Consulting Co., Ltd. (LAWR)](/topic/robot) [BEAM (BEAM)](/topic/beam) [Mantle (MNT)](/topic/mantle)
### Top Social Posts
Top posts by engagements in the last [--] hours
"Sometimes astronomers are watching a star and it just.fades away. This star in the Andromeda Galaxy might have collapsed into a black hole. Or it might have merged with another star & kicked a huge cloud of dark dust. Either way strange days in space. https://arxiv.org/abs/2601.05317 https://arxiv.org/abs/2601.05317"
[X Link](https://x.com/coreyspowell/status/2016574609768796335) 2026-01-28T18:10Z 78.2K followers, [----] engagements
"Then there's the star J0705+0612 which suddenly lost 98% of its light. A new study suggests it got hidden behind a swirling iron-rich cloud. Even weirder: The cloud seems to be the remains of a collision between two Jupiter-size planets. https://noirlab.edu/public/news/noirlab2602/ https://noirlab.edu/public/news/noirlab2602/"
[X Link](https://x.com/coreyspowell/status/2016574988287906249) 2026-01-28T18:11Z 78.2K followers, [---] engagements
"Astronomers have found [----] planets but so far nothing quite like our own. The new Terra Hunting Experiment in the Canary Islands is designed to find what we're really looking for: an Earth-size planet in an Earth-like orbit around a Sun-like star. https://www.sciencenews.org/article/earth-analog-terra-hunting-experiment https://www.sciencenews.org/article/earth-analog-terra-hunting-experiment"
[X Link](https://x.com/coreyspowell/status/2016941208287707457) 2026-01-29T18:27Z 78.2K followers, [----] engagements
"Scientists talk about magnetic field lines & reconnection events which can sound quite abstract. Here they are for real: lines of magnetic plasma on the Sun twisting snapping & releasing tremendous amounts of energy. (Scale bar is [----] km) via @esa https://www.esa.int/ESA_Multimedia/Images/2026/01/Zooming_in_on_magnetic_reconnection https://www.esa.int/ESA_Multimedia/Images/2026/01/Zooming_in_on_magnetic_reconnection"
[X Link](https://x.com/coreyspowell/status/2017619826169008129) 2026-01-31T15:23Z 78.2K followers, [---] engagements
"@chancerubbage @david_kipping Earth-Moon ratio is the most extreme among the major planets but Pluto-Charon is even more so. Interestingly the inferred planet-moon ratio for Kepler 1708b is very similar to that of the Earth-Moon system"
[X Link](https://x.com/coreyspowell/status/1482019521645154305) 2022-01-14T15:59Z 78.2K followers, [--] engagements
"This is a real time-lapse video of planets orbiting the star HR [----] [---] light years away: four super-Jupiter worlds dancing around their sun. Amazing Images collected at the Keck Observatory processed by William Thompson (@AstroWrt). #astronomy #space https://arxiv.org/abs/2210.14213 https://arxiv.org/abs/2210.14213"
[X Link](https://x.com/anyuser/status/1606437805948911616) 2022-12-23T23:53Z 78.2K followers, 696.4K engagements
"JWST found city lights on other planets [--]. No. Didn't happen. [--]. JWST studies of LHS 1140b couldn't even tell if it has an atmosphere or solid surface. [--]. JWST hasn't observed Proxima b or Gliese 12b. Check the observing schedule for yourself: https://jwstfeed.com/Schedule/Search https://jwstfeed.com/Schedule/Search"
[X Link](https://x.com/coreyspowell/status/1839874487900098964) 2024-09-28T03:47Z 78.2K followers, [----] engagements
"Look I would LOVE to see evidence of civilizations on other planets. But making up stories just spreads confusion and cynicism. Here are the actual JWST findings about planet LHS 1140b. Getting answers is hard work https://news.umich.edu/astronomers-find-surprising-ice-world-in-the-habitable-zone-with-jwst-data/ https://news.umich.edu/astronomers-find-surprising-ice-world-in-the-habitable-zone-with-jwst-data/"
[X Link](https://x.com/coreyspowell/status/1839875855268405715) 2024-09-28T03:52Z 78.2K followers, [----] engagements
"NASA's Juno spacecraft detected the largest volcanic hotspot ever seen in our solar system. It appeared on Jupiter's moon Io it covers [------] square kilometers (bigger than Lake Superior) and it radiates [--] trillion watts of heat. https://www.jpl.nasa.gov/news/nasa-juno-mission-spots-most-powerful-volcanic-activity-on-io-to-date/ https://www.jpl.nasa.gov/news/nasa-juno-mission-spots-most-powerful-volcanic-activity-on-io-to-date/"
[X Link](https://x.com/coreyspowell/status/2017271744814334036) 2026-01-30T16:20Z 78.2K followers, [----] engagements
"In [----] Richard Carrington observed the 1st solar flare--an eruption so powerful it knocked out telegraph lines around the world. We had Carrington's drawings but no known picture of the man himself. Until some historical sleuthing finally revealed him. https://academic.oup.com/astrogeo/article/67/1/1.11/8444359login=false https://academic.oup.com/astrogeo/article/67/1/1.11/8444359login=false"
[X Link](https://x.com/coreyspowell/status/2018342480802959445) 2026-02-02T15:15Z 78.2K followers, [----] engagements
"One thing that's striking in the new cosmic map is how dark matter closely but not exactly traces the distribution of visible matter. The galaxies we see are "surfing" on an ocean of dark matter it seems. Full paper at link: https://www.nature.com/articles/s41550-025-02763-9.epdfsharing_token=uU4i-ZM-UydZmAoEOEiZddRgN0jAjWel9jnR3ZoTv0NKu69T6yUwRdbKFaGzJQClQOuUOEgvhdmlUa9nxavbzokwT665ZDp9TQn9NjP_iEfSYbps2UiVQc3bzpYlhibWrJDJy5DtZzWDl17wFHWsIDHYmcLIiVN0rTwdKfL5qJ0%3D"
[X Link](https://x.com/coreyspowell/status/2018857347532341466) 2026-02-04T01:21Z 78.2K followers, [---] engagements
"Samples of Bennu a primitive asteroid orbiting near Earth contain some surprising ingredients: natural sugars gummy polymers and specks of stardust that are even older than our solar system. There's a lot of complex chemistry brewing in space https://www.nasa.gov/missions/osiris-rex/sugars-gum-stardust-found-in-nasas-asteroid-bennu-samples/ https://www.nasa.gov/missions/osiris-rex/sugars-gum-stardust-found-in-nasas-asteroid-bennu-samples/"
[X Link](https://x.com/coreyspowell/status/1996443834453201213) 2025-12-04T04:57Z 78.2K followers, [----] engagements
"A panorama of cosmic life & death: These images of the Sculptor Galaxy combine [---] exposures in 1000s of colors [---] gigs of data. They show [---] planetary nebulae (the demise of other Suns) + a central "chimney" caused by a burst of newly formed stars. https://www.eso.org/public/news/eso2510/ https://www.eso.org/public/news/eso2510/"
[X Link](https://x.com/coreyspowell/status/2020552068168090095) 2026-02-08T17:35Z 78.2K followers, [----] engagements
"China's Chang'e-6 lunar lander may have solved a great Moon mystery: Why does its far side look totally different than the side facing us A huge impact [---] billion years ago melted the Moon's mantle & made it lopsided according to a new study. https://eos.org/articles/primordial-impact-may-explain-why-the-moon-is-asymmetrical https://eos.org/articles/primordial-impact-may-explain-why-the-moon-is-asymmetrical"
[X Link](https://x.com/coreyspowell/status/2022055068762353822) 2026-02-12T21:07Z 78.2K followers, [----] engagements
"For context this is a sketch of OSIRIS-REx's path around Bennu as it executed its rapid descent and return earlier this week. https://www.asteroidmission.org/attachment_id=23029#main https://www.asteroidmission.org/attachment_id=23029#main"
[X Link](https://x.com/coreyspowell/status/1251142622774730752) 2020-04-17T13:37Z 78.2K followers, [--] engagements
"On Earth avalanches are terrifying. On the Sun they are simply overwhelming. The @ESASolarOrbiter captured this magnetic avalanche on the Sun as it triggered a major solar flare. There's an outline of Earth at the beginning of the video for scale. https://www.esa.int/Science_Exploration/Space_Science/Solar_Orbiter/Magnetic_avalanches_power_solar_flares_finds_Solar_Orbiter https://www.esa.int/Science_Exploration/Space_Science/Solar_Orbiter/Magnetic_avalanches_power_solar_flares_finds_Solar_Orbiter"
[X Link](https://x.com/coreyspowell/status/2017619211825078544) 2026-01-31T15:21Z 78.2K followers, [----] engagements
"Many people are claiming Japan Space Systems' OHISAMA satellite has achieved space-based power beaming.but I can't find any official word. No paper. No press release. No trace of JSS online just a PowerPoint from a [----] energy conference. Has anyone seen a primary source"
[X Link](https://x.com/coreyspowell/status/2020565739329974763) 2026-02-08T18:29Z 78.2K followers, [----] engagements
"@simonmontefiore It really is a spectacular image Not from JWST though. This is a [----] image from NASA's Juno spacecraft in orbit around Jupiter; the image was processed by Gerald Eichstadt and Sean Doran. Original available here: https://science.nasa.gov/photojournal/jupiters-clouds-of-many-colors/ https://science.nasa.gov/photojournal/jupiters-clouds-of-many-colors/"
[X Link](https://x.com/coreyspowell/status/2020568092003196972) 2026-02-08T18:39Z 78.2K followers, [---] engagements
"@DJSnM Thank you for calling them out. This is a Juno image processed by Gerald Eichstadt & Sean Doran which has been flipped and saturated. People should know the real sources and credits. https://science.nasa.gov/photojournal/jupiters-clouds-of-many-colors/ https://science.nasa.gov/photojournal/jupiters-clouds-of-many-colors/"
[X Link](https://x.com/coreyspowell/status/2020998895073984711) 2026-02-09T23:10Z 78.2K followers, [----] engagements
"While scanning for alien signals researchers found a possible millisecond pulsar near the center of the Milky Way. If confirmed it could help study the structure of our galaxy & map the gravitational pull of the supermassive black hole at the center. https://news.columbia.edu/news/researchers-announce-discovery-possible-pulsar-milky-ways-center https://news.columbia.edu/news/researchers-announce-discovery-possible-pulsar-milky-ways-center"
[X Link](https://x.com/coreyspowell/status/2021009108363772281) 2026-02-09T23:51Z 78.2K followers, [----] engagements
"It's frustrating to see huge accounts spreading fake space images when real amazing images are easily accessible. Left: fake. Right: real image from the Akatsuki probe showing Venus's clouds backlit by infrared from its overheated lower atmosphere. https://akatsuki.isas.jaxa.jp/en/gallery/data/ https://akatsuki.isas.jaxa.jp/en/gallery/data/"
[X Link](https://x.com/coreyspowell/status/2021597701431869556) 2026-02-11T14:50Z 78.2K followers, [----] engagements
"Japan's under-appreciated Akatsuki Venus probe has greatly expanded our understanding of Earth's strange wayward twin. [---] degrees F and [--] atmospheres of pressure on the ground.superrotating winds above. Context and images here: https://www.planetary.org/articles/0116-a-new-look-at-venus-with-akatsuki https://www.planetary.org/articles/0116-a-new-look-at-venus-with-akatsuki"
[X Link](https://x.com/coreyspowell/status/2021603392359932148) 2026-02-11T15:13Z 78.2K followers, [---] engagements
"Ten years ago today physicists reported the first direct detection of gravitational waves disturbances from colliding black holes [---] billion light years away. That was when we as a species developed space-time eyes. My Invisible Universe column: https://invisibleuniverse.substack.com/p/the-day-we-evolved-space-time-eyes https://invisibleuniverse.substack.com/p/the-day-we-evolved-space-time-eyes"
[X Link](https://x.com/coreyspowell/status/2021695507773391288) 2026-02-11T21:19Z 78.2K followers, [----] engagements
"@RobJLow Breaking news in a GR class What a moment"
[X Link](https://x.com/coreyspowell/status/2021699606246010908) 2026-02-11T21:35Z 78.2K followers, [--] engagements
"@CosmicDaryl The singularity (if real) does not exist in our universe. Neither strictly speaking does the event horizon; it lies in our future. The gravitational field (spacetime distortion) does exist in our universe and when perturbed it creates gravitational waves"
[X Link](https://x.com/coreyspowell/status/2021712657091592502) 2026-02-11T22:27Z 78.2K followers, [--] engagements
"@konstructivizm Great information here but readers should know that the artwork is fantasy. This is an actual image of Comet 3I/ATLAS shortly after its closest approach to the Sun. https://britastro.org/observations/observation.phpid=20251109_131937_d020b5f5984edbd4 https://britastro.org/observations/observation.phpid=20251109_131937_d020b5f5984edbd4"
[X Link](https://x.com/coreyspowell/status/2022196441272529268) 2026-02-13T06:29Z 78.2K followers, [---] engagements
"Radio is beyond red Gamma rays beyond blue There are [--] octaves of the electromagnetic spectrum But only one we can view #ValentinesDay"
[X Link](https://x.com/coreyspowell/status/2022742751574659139) 2026-02-14T18:40Z 78.2K followers, [----] engagements
"Astronomers have just discovered the first alien planet that practices social distancing: LHS 1815b swoops [----] light years above & below the plane of the Milky Way far from most of our galaxy's stars. https://www.sciencealert.com/astronomers-have-just-found-an-exoplanet-that-swoops-outside-the-galactic-plane https://www.sciencealert.com/astronomers-have-just-found-an-exoplanet-that-swoops-outside-the-galactic-plane"
[X Link](https://x.com/coreyspowell/status/1239605189625221122) 2020-03-16T17:31Z 78.2K followers, [---] engagements
"Planet LHS 1815b is almost exactly the size of Earth but has an estimated surface temperature around [---] degrees F. That's another effective way to keep people away"
[X Link](https://x.com/coreyspowell/status/1239608966952476674) 2020-03-16T17:46Z 78.2K followers, [--] engagements
"NASA's Parker Solar Probe plunged deep into the Sun's corona & passed directly through streamers of solar plasma. The view out the window was.staggering. http://parkersolarprobe.jhuapl.edu/News-Center/Show-Article.phparticleID=173 http://parkersolarprobe.jhuapl.edu/News-Center/Show-Article.phparticleID=173"
[X Link](https://x.com/anyuser/status/1471147994456145926) 2021-12-15T15:59Z 78.2K followers, 57.6K engagements
"News from the edge of the visible universe: JWST has confirmed this galaxy MoM-z14 as the most distant one yet studied. We're seeing it as it was [----] billion years ago 98% of the way back to the Big Bang. (MoM stands for "miracle or mirage.") https://science.nasa.gov/missions/webb/nasa-webb-pushes-boundaries-of-observable-universe-closer-to-big-bang/ https://science.nasa.gov/missions/webb/nasa-webb-pushes-boundaries-of-observable-universe-closer-to-big-bang/"
[X Link](https://x.com/coreyspowell/status/2019883393777799404) 2026-02-06T21:18Z 78.2K followers, [----] engagements
"On Tuesday NASA's @OSIRISREx plunged toward asteroid Bennu preparing to grab samples from the surface and came away with this remarkable video. That's a 900-foot-wide asteroid [---] million miles from Earth https://www.asteroidmission.org/latest-news=one-step-closer-to-touching-asteroid-bennu https://www.asteroidmission.org/latest-news=one-step-closer-to-touching-asteroid-bennu"
[X Link](https://x.com/coreyspowell/status/1251139552485552129) 2020-04-17T13:24Z 78.2K followers, [---] engagements
"Amazing: the most detailed map of dark matter in the universe based on JWST observations of [------] galaxies. Background image shows the galaxies in infrared light. Yellow indicates the location of dark matter inferred from its gravitational pull. https://www.nasa.gov/missions/webb/nasa-reveals-new-details-about-dark-matters-influence-on-universe/ https://www.nasa.gov/missions/webb/nasa-reveals-new-details-about-dark-matters-influence-on-universe/"
[X Link](https://x.com/coreyspowell/status/2018857135577411711) 2026-02-04T01:20Z 78.2K followers, [----] engagements
"Meanwhile JWST & the Chandra Observatory teamed up to discover JADES-ID1 the most distant known galaxy cluster. Enormous structures (galaxies & galaxy clusters) formed surprising quickly in the early universe. This one is from [----] billion years ago https://chandra.si.edu/photo/2026/protoc/ https://chandra.si.edu/photo/2026/protoc/"
[X Link](https://x.com/coreyspowell/status/2019883664780431563) 2026-02-06T21:19Z 78.2K followers, [----] engagements
"Over the years there have been a lot of weird explanations for our two-faced Moon. Samples from the far side suggest a simpler & more logical answer linking the division to the asteroid blast that carved the Moon's South PoleAitken basin. https://www.pnas.org/doi/10.1073/pnas.2515408123 https://www.pnas.org/doi/10.1073/pnas.2515408123"
[X Link](https://x.com/coreyspowell/status/2022055494094139727) 2026-02-12T21:09Z 78.2K followers, [---] engagements
"@PNASNews Apollo lunar samples hinted at a strange flurry of major impacts that happened hundreds of millions of years after the solar system formed: the "late heavy bombardment." Chang'e-6 samples suggest it was an illusion addressing another major puzzle. https://www.science.org/doi/10.1126/sciadv.ady9265 https://www.science.org/doi/10.1126/sciadv.ady9265"
[X Link](https://x.com/coreyspowell/status/2022055755697058178) 2026-02-12T21:10Z 78.2K followers, [---] engagements
"@PNASNews @ScienceMagazine @ScienceAdvances China's sample-return mission from the lunar far side is greatly expanding our understanding of the solar system. I hope the renewed interest in the Moon brings a lot of new lunar science with it. Here's a look back [---] billion years: https://www.sciencedaily.com/releases/2026/02/260208011014.htm https://www.sciencedaily.com/releases/2026/02/260208011014.htm"
[X Link](https://x.com/coreyspowell/status/2022056056558694463) 2026-02-12T21:11Z 78.2K followers, [---] engagements
"@jondpratt @martinmbauer This is an image of the sky seen in gamma rays produced by the annihilation of electrons and positrons (antimatter). We can tell because electron-positron annihilation emits radiation at a specific energy which we can detect and measure on Earth. https://arxiv.org/abs/2509.01066 https://arxiv.org/abs/2509.01066"
[X Link](https://x.com/coreyspowell/status/2021622806673264973) 2026-02-11T16:30Z 78.2K followers, [----] engagements
"A cheat sheet to the entire electromagnetic rainbow that comes to us from the distant universe. (The image here shows the gamma ray sky.) https://astrobites.org/2022/10/16/guide-to-the-electromagnetic-spectrum-in-astronomy-2/ https://astrobites.org/2022/10/16/guide-to-the-electromagnetic-spectrum-in-astronomy-2/"
[X Link](https://x.com/coreyspowell/status/2022743773533315179) 2026-02-14T18:44Z 78.2K followers, [---] engagements
"Relativity versus quantum mechanics: the battle for the universe Physics The Guardian Physicists have spent decades trying to reconcile two very different theories. But is a winner about to emerge and transform our understanding of everything from time to gravity"
[X Link](https://www.theguardian.com/news/2015/nov/04/relativity-quantum-mechanics-universe-physicists) 2023-08-29T21:20Z 10.3M followers, 5M engagements
"Now here's an intriguing idea. Design an ultra-low-cost inflatable space telescope with a simple molded diffraction lens. Build a fleet of [--] of them. Use them to search for signs of life on planets around other stars (and other cool stuff). https://uanews.arizona.edu/story/new-lens-lifesearching-space-telescopes https://uanews.arizona.edu/story/new-lens-lifesearching-space-telescopes"
[X Link](https://x.com/coreyspowell/status/1159951161060995083) 2019-08-09T22:14Z 78.2K followers, [--] engagements
"Do other writers find that your lede becomes instantly clear the moment you step into the shower and instantly unclear again the moment you run back to the keyboard"
[X Link](https://x.com/coreyspowell/status/1184145136659423233) 2019-10-15T16:32Z 81.6K followers, [--] engagements
"Today's flight of the Starship #SN8 prototype ended with what Elon Musk called an "RUD" (rapid unscheduled disassembly aka "boom") but as a test it was a big success. It didn't finish well but this had to be the coolest part imo. #Starship SN8 #SpaceX https://t.co/tup36wmKFb It didn't finish well but this had to be the coolest part imo. #Starship SN8 #SpaceX https://t.co/tup36wmKFb"
[X Link](https://x.com/coreyspowell/status/1336814019043319809) 2020-12-09T23:24Z 78.2K followers, [--] engagements
"@bdorminey @MarcMillis @WashTimes Both the facts and the implications of the story are twisted to support a false narrative. https://www.cnet.com/news/faa-denied-spacex-a-safety-waiver-but-its-starship-sn8-rocket-launched-anyway/ https://www.cnet.com/news/faa-denied-spacex-a-safety-waiver-but-its-starship-sn8-rocket-launched-anyway/"
[X Link](https://x.com/coreyspowell/status/1358178647266443269) 2021-02-06T22:19Z 81.8K followers, [--] engagements
"@Astro_Jonny @robert_zubrin @UniKent Absolutely In my tweet I described the velocity used in the test setup but the paper (and article) is framed in terms of survivable pressures not velocities"
[X Link](https://x.com/coreyspowell/status/1397222454171422725) 2021-05-25T16:06Z 81.5K followers, [--] engagements
"This is the surface of a comet Dust is swirling around the surface of Comet 67/P -- captured by the @ESA_Rosetta spacecraft processing by @landru79. One of the most remarkable scenes in space exploration"
[X Link](https://x.com/coreyspowell/status/1768686370095022384) 2024-03-15T17:11Z 81K followers, 17.4K engagements
"I asked Ed Stone to explain what happened as the Voyager probes passed into interstellar space. He ran to a sink and turned on the water. "Notice how a ring forms here" he said. "That's just like the termination shock when you hit the interstellar stream." #EdStone"
[X Link](https://x.com/coreyspowell/status/1800636517666140631) 2024-06-11T21:09Z 81.8K followers, [----] engagements
"@taku2473allen @APSphysics Electrons have unit charge and they fundamental particles with no substructure. Quarks can exist only in combinations with unit charge. Not that we know all the answers But there is no evidence of anything in nature with less than unit net charge"
[X Link](https://x.com/coreyspowell/status/1824186006779859347) 2024-08-15T20:46Z 81.5K followers, [--] engagements
"As a kid I was fascinated by Project Mohole an Apollo-style effort to explore the inner Earth. The new drilling project finally realizes that old dream. For a blast of nostalgia check out this [----] Horizons of Science/NSF film on Project Mohole: https://www.youtube.com/watchv=cMfMRxFgjpw https://www.youtube.com/watchv=cMfMRxFgjpw"
[X Link](https://x.com/coreyspowell/status/1825380212818767989) 2024-08-19T03:52Z 81.6K followers, [----] engagements
"Billions of years ago Neptune's moon Triton probably had a thick atmosphere and an expansive warm ocean. It makes me wonder: Did life arise multiple places in the solar system only to be snuffed out as those other environments turned lethal https://astrobiology.com/2024/09/the-trans-and-post-capture-orbital-evolution-of-triton.html https://astrobiology.com/2024/09/the-trans-and-post-capture-orbital-evolution-of-triton.html"
[X Link](https://x.com/coreyspowell/status/1839689033959493725) 2024-09-27T15:30Z 81.6K followers, 10.9K engagements
"@Astro_Jonny For an object of that size how close would it have to be to a populated region to pose a risk I expect a mid-Pacific impact would be harmless for instance"
[X Link](https://x.com/coreyspowell/status/1885392769679569158) 2025-01-31T18:20Z 81.5K followers, [---] engagements
"@Astro_Jonny Ah thanks That potential impact corridor (assuming it sticks) passes over a lot of population"
[X Link](https://x.com/coreyspowell/status/1885395376489795616) 2025-01-31T18:31Z 81.5K followers, [---] engagements
"My friend Martin Ratcliffe recently shared his photo montage of the [----] annular solar eclipse over Bryce Canyon Utah. I may be biased but I think it's spectacular (and it got selected for an astronomy picture of the day). https://apod.nasa.gov/apod/ap231019.html https://apod.nasa.gov/apod/ap231019.html"
[X Link](https://x.com/coreyspowell/status/1888018233955074560) 2025-02-08T00:13Z 82.5K followers, [----] engagements
"We can now safely say: no killer asteroid coming. Latest observations indicate that asteroid [----] YR4 has just a 0.0039% risk of hitting Earth in [----]. But there's still a small chance it could hit the Moon. https://cneos.jpl.nasa.gov/sentry/details.html#des=2024%20YR4 https://cneos.jpl.nasa.gov/sentry/details.html#des=2024%20YR4"
[X Link](https://x.com/coreyspowell/status/1893845451167740310) 2025-02-24T02:08Z 82.5K followers, [----] engagements
"A solar eclipse like no other: This is the first artificial solar eclipse created by two spacecraft flying in precise formation in orbit. Proba-3 will be able to conduct precise studies of the Sun's corona & the process driving powerful solar eruptions. https://www.esa.int/Enabling_Support/Space_Engineering_Technology/Proba-3_s_first_artificial_solar_eclipse https://www.esa.int/Enabling_Support/Space_Engineering_Technology/Proba-3_s_first_artificial_solar_eclipse"
[X Link](https://x.com/coreyspowell/status/1946595319443042608) 2025-07-19T15:37Z 81.8K followers, [----] engagements
"@astrobiology GJ 3929b is an Earth-size planet in a Venus-like orbit around a red dwarf star. No sign of a substantial atmosphere there -- more evidence that red dwarf stars tend to strip their planets bare"
[X Link](https://x.com/coreyspowell/status/1958284591191711857) 2025-08-20T21:46Z 80.2K followers, [---] engagements
"A couple centuries ago philosophers mused that we'd never know what stars are made of. Today JWST is measuring the detailed composition of a protoplanet & possible moons forming around it. The results show complex chemistry around a newborn world. https://science.nasa.gov/missions/webb/nasas-webb-telescope-studies-moon-forming-disk-around-massive-planet/ https://science.nasa.gov/missions/webb/nasas-webb-telescope-studies-moon-forming-disk-around-massive-planet/"
[X Link](https://x.com/coreyspowell/status/1979305403167932791) 2025-10-17T21:55Z 81.8K followers, [----] engagements
"In [----] French philosopher Auguste Comte summed up what he regarded (not unreasonably) as the limits of science. Less than [--] years later William Huggins used spectroscopy to identify elements in the bright star Aldebaran & in the Orion Nebula. https://articles.adsabs.harvard.edu//full/2010JAHH.13.90H/0000090.000.html https://articles.adsabs.harvard.edu//full/2010JAHH.13.90H/0000090.000.html"
[X Link](https://x.com/coreyspowell/status/1979305650040738282) 2025-10-17T21:56Z 81.8K followers, [---] engagements
"@jsj35546917 NGC4414 is [--] million light years away or about 500x its diameter. Comet ATLAS passed [--] million km from Mars or about 10000000x its diameter. Also Hubble's mirror is 300x the size of the mirror on ESA's TGO. But TGO still managed a decent shot. https://www.esa.int/Science_Exploration/Space_Science/ESA_s_ExoMars_and_Mars_Express_observe_comet_3I_ATLAS https://www.esa.int/Science_Exploration/Space_Science/ESA_s_ExoMars_and_Mars_Express_observe_comet_3I_ATLAS"
[X Link](https://x.com/coreyspowell/status/1979332815666975036) 2025-10-17T23:44Z 81.8K followers, [---] engagements
"Wild A meteorite may have struck the windshield of a [---] flying over Colorado according to early reports. Whatever the object was it cut a pilot's arm but did not seriously damage the plane. https://avbrief.com/united-max-hit-by-falling-object-at-36000-feet/ https://avbrief.com/united-max-hit-by-falling-object-at-36000-feet/"
[X Link](https://x.com/coreyspowell/status/1979964304339206296) 2025-10-19T17:34Z 81.7K followers, [----] engagements
"More information about United Airlines flight [----] which was struck by something at [-----] feet. The captain speculated it was falling space debris (natural or human). But extreme-altitude hail might also be possible. https://viewfromthewing.com/united-captain-says-his-plane-was-hit-by-space-debris-at-36000-feet-new-photos-show-cockpit-damage/ https://viewfromthewing.com/united-captain-says-his-plane-was-hit-by-space-debris-at-36000-feet-new-photos-show-cockpit-damage/"
[X Link](https://x.com/coreyspowell/status/1980071857131798743) 2025-10-20T00:41Z 81.7K followers, [----] engagements
"China's Chang'e-6 sample-return mission discovered that the far side of the Moon is covered with fragments of carbonaceous water-rich meteorites. Long ago similar objects may have helped give Earth its oceans & delivered raw materials for life. https://english.cas.cn/newsroom/research_news/earth/202510/t20251022_1089997.shtml https://english.cas.cn/newsroom/research_news/earth/202510/t20251022_1089997.shtml"
[X Link](https://x.com/coreyspowell/status/1982828219046023478) 2025-10-27T15:14Z 81.7K followers, [----] engagements
"Chang'e-6 was a complex mission that landed on the lunar farside communicated via relay satellite and returned the first samples from the other side of the Moon. A sign of things to come: China has many more groundbreaking space missions in the works. https://www.thebrighterside.news/post/moon-dust-from-change-6-mission-reveals-asteroids-carried-water-to-earth/ https://www.thebrighterside.news/post/moon-dust-from-change-6-mission-reveals-asteroids-carried-water-to-earth/"
[X Link](https://x.com/coreyspowell/status/1982828949433643347) 2025-10-27T15:17Z 81.7K followers, [---] engagements
"@brighter_news @CNSA_en Early results from Chang'e-6 indicate late-period volcanism on the Moon & deepen the mystery of why the Moon's farside looks so different from the side we see. The lander also gathered this beautiful & intriguing collection of lunar impact glass beads. https://news.agu.org/10-23-2025-glass-beads-capture-secrets-from-far-side-of-the-moon/ https://news.agu.org/10-23-2025-glass-beads-capture-secrets-from-far-side-of-the-moon/"
[X Link](https://x.com/coreyspowell/status/1982835005287182660) 2025-10-27T15:41Z 81.7K followers, [---] engagements
"Possible wind speeds in excess of [---] miles per hour for Hurricane Melissa. We are in unprecedented territory. Melissa now at T8.3. Hard to know what's truly under the hood without aircraft reconnaissance right now but satellite says surely this is a Category [--]. Regardless we're witnessing satellite history in the Atlantic tonight. https://t.co/luUwZZqjkn Melissa now at T8.3. Hard to know what's truly under the hood without aircraft reconnaissance right now but satellite says surely this is a Category [--]. Regardless we're witnessing satellite history in the Atlantic tonight."
[X Link](https://x.com/coreyspowell/status/1982920678526595134) 2025-10-27T21:21Z 81.7K followers, [----] engagements
"What a strange beautiful shot of Comet Lemmon now passing through the northwest sky after sunset. Here you see two comet tails (gas and dust) plus the unrelated zigzag trail of a passing meteor. And inevitably a couple satellite trails too. http://star.ucl.ac.uk/apod/apod/ap251027.html http://star.ucl.ac.uk/apod/apod/ap251027.html"
[X Link](https://x.com/coreyspowell/status/1983197361641009373) 2025-10-28T15:41Z 81.7K followers, [---] engagements
"Note that this is posted on a mirror site for Astronomy Picture of the Day. The main NASA APOD page is locked due to government shutdown"
[X Link](https://x.com/coreyspowell/status/1983197834846556640) 2025-10-28T15:43Z 81.7K followers, [---] engagements
"Spectacular time-lapse image of Comet Lemmon (C/2025 A6) taken by astrophotographer Michael Jger. There might have been um a few satellites passing by during the long exposure. https://forum.vdsastro.de/viewtopic.phpt=7600&start=50#p43988 https://forum.vdsastro.de/viewtopic.phpt=7600&start=50#p43988"
[X Link](https://x.com/coreyspowell/status/1983297570009948624) 2025-10-28T22:19Z 81.6K followers, [----] engagements
"@perseverare1776 If anyone cares about facts: You misread the chart. More than 89% of SNAP benefits go to US-born citizens. https://www.politifact.com/article/2025/oct/27/food-stamps-SNAP-ethnicity-chart/ https://www.politifact.com/article/2025/oct/27/food-stamps-SNAP-ethnicity-chart/"
[X Link](https://x.com/coreyspowell/status/1983312202011684896) 2025-10-28T23:17Z 81.7K followers, [--] engagements
"The Witch Head Nebula located near the bright star Rigel in Orion. https://www.nasa.gov/image-article/witch-head-nebula/ https://www.nasa.gov/image-article/witch-head-nebula/"
[X Link](https://x.com/coreyspowell/status/1984278374043484591) 2025-10-31T15:16Z 81.5K followers, [---] engagements
"@NASAScience_ The Ghost Nebula haunting the constellation Cassiopeia. https://esahubble.org/news/heic1818/ https://esahubble.org/news/heic1818/"
[X Link](https://x.com/coreyspowell/status/1984278711995445746) 2025-10-31T15:18Z 81.5K followers, [---] engagements
"@528vibes For reference every comet experiences some non-gravitational acceleration when it passes close to the Sun. This is like predicting "The stock market will go up at some point but then there will also come a time when it goes down.""
[X Link](https://x.com/coreyspowell/status/1984313708101730673) 2025-10-31T17:37Z 81.5K followers, [---] engagements
"What a shot of Comet Lemmon You can almost reach out and touch it. Photo taken [--] days ago by Debra Ceravolo. https://app.astrobin.com/u/debraceravoloi=0614kk#gallery https://app.astrobin.com/u/debraceravoloi=0614kk#gallery"
[X Link](https://x.com/coreyspowell/status/1984874388030628080) 2025-11-02T06:45Z 81.5K followers, [----] engagements
"This mysterious object called Capotauro might be the earliest most distant galaxy ever seen containing some of the universe's first stars. OR it might be a mundane nearby brown dwarf floating through our Milky Way. Nobody said cosmology was easy. https://arxiv.org/abs/2509.01664v1 https://arxiv.org/abs/2509.01664v1"
[X Link](https://x.com/coreyspowell/status/1985794443421892779) 2025-11-04T19:41Z 81K followers, [----] engagements
"Nature makes weird planets & this is among the weirdest: As big as Jupiter made of carbon blasted by winds and heated to [----] degrees C by a dying fast-spinning pulsar. No matter how bad things get here we live on the best of all possible worlds. https://arxiv.org/abs/2509.04558 https://arxiv.org/abs/2509.04558"
[X Link](https://x.com/coreyspowell/status/1987215609424167214) 2025-11-08T17:48Z 81K followers, [---] engagements
"This is what the Milky Way would look like at night if your eyes could see radio waves. A hidden beauty. It's a new image created by the Murchison Widefield Array which scanned the sky in [--] radio "colors" over frequencies from [--] to [---] megahertz. https://www.icrar.org/gleam-x-galactic-plane/ https://www.icrar.org/gleam-x-galactic-plane/"
[X Link](https://x.com/coreyspowell/status/1987588242829451394) 2025-11-09T18:28Z 81K followers, [----] engagements
"Here's a comparison between the sky that you can see with your human eyes & the sky seen through the radio eyes of the Murchison Widefield Array in Western Australia. https://www.cambridge.org/core/journals/publications-of-the-astronomical-society-of-australia/article/galactic-and-extragalactic-allsky-murchison-widefield-array-survey-extended-gleamx-iii-galactic-plane/C95F9B7DC74EC3F9D3DDCD1C43A905BD"
[X Link](https://x.com/coreyspowell/status/1987588797945524539) 2025-11-09T18:31Z 81K followers, [----] engagements
"Wishing you all a happy Carl Sagan Day (born this day in 1934). Fascinating to see his note summarizing the key topics he planned to discuss during his [----] meeting with President Carter. ("Wonder") https://www.loc.gov/collections/finding-our-place-in-the-cosmos-with-carl-sagan/articles-and-essays/carl-sagan-and-the-tradition-of-science/carl-sagan-researcher-educator-communicator-advocate-and-activist/"
[X Link](https://x.com/coreyspowell/status/1987706208615010546) 2025-11-10T02:17Z 80.2K followers, [----] engagements
"New images of interstellar Comet 3I/ATLAS are coming in as it moves out of the Sun's glare and (barely) back into view. This shot by Michael Buechner and Frank Niebling shows an intriguing anti-tail and a "smoking" tail. https://britastro.org/observations/observation.phpid=20251109_131937_d020b5f5984edbd4 https://britastro.org/observations/observation.phpid=20251109_131937_d020b5f5984edbd4"
[X Link](https://x.com/coreyspowell/status/1988404539779858747) 2025-11-12T00:32Z 81K followers, [----] engagements
"@GrantObi "continues moving through atmosphere" OMG"
[X Link](https://x.com/coreyspowell/status/1988415699933688143) 2025-11-12T01:17Z 81K followers, [---] engagements
"@GrantObi Apparently Newsmax has scientifically regressed back to the time of Aristotle"
[X Link](https://x.com/coreyspowell/status/1988457143306211438) 2025-11-12T04:01Z 81K followers, [---] engagements
"Interstellar Comet 3I/ATLAS is fragmenting on its way back out from the Sun. https://www.virtualtelescope.eu/2025/11/13/comet-c-2025-k1-atlas-fragmentation-13-nov-2025-image-and-animation/ https://www.virtualtelescope.eu/2025/11/13/comet-c-2025-k1-atlas-fragmentation-13-nov-2025-image-and-animation/"
[X Link](https://x.com/coreyspowell/status/1989082420394783230) 2025-11-13T21:26Z 78.2K followers, 57.9K engagements
"Correction: This is Comet K1 ATLAS not the interstellar Comet 3I/ATLAS. My sincere apologies for the mixup. This one is a carbon-poor comet from the Oort Cloud. Interstellar Comet 3I/ATLAS is fragmenting on its way back out from the Sun. https://t.co/m6ifXK5zaY https://t.co/i7s9QQyRem Interstellar Comet 3I/ATLAS is fragmenting on its way back out from the Sun. https://t.co/m6ifXK5zaY https://t.co/i7s9QQyRem"
[X Link](https://x.com/coreyspowell/status/1989166914896293936) 2025-11-14T03:02Z 78.8K followers, [----] engagements
"More information about Comet K1 ATLAS: https://en.wikipedia.org/wiki/C/2025_K1_(ATLAS) https://en.wikipedia.org/wiki/C/2025_K1_(ATLAS)"
[X Link](https://x.com/coreyspowell/status/1989167065589248043) 2025-11-14T03:02Z 79.8K followers, [----] engagements
"As many here have noted I confused two different comets. This one is Comet K1 ATLAS an Oort Cloud object not interstellar Comet 3I/ATLAS. My apologies for the error"
[X Link](https://x.com/coreyspowell/status/1989168444999344599) 2025-11-14T03:08Z 80.2K followers, [----] engagements
"NASA's just-launched ESCAPADE mission is trying out a novel trajectory to Mars one that's slower but allows much more flexible launch dates. The flight path also provides a bonus science session at the L2 equilibrium point near Earth. https://skyandtelescope.org/astronomy-news/escapade-mission-launches-for-a-long-trip-to-mars/ https://skyandtelescope.org/astronomy-news/escapade-mission-launches-for-a-long-trip-to-mars/"
[X Link](https://x.com/coreyspowell/status/1989381456649752606) 2025-11-14T17:14Z 79.8K followers, [----] engagements
"The ESCAPADE mission is built on the same architecture that will be used for Rocket Lab's Venus Lifefinder mission a (mostly) private mission currently set to launch in [----]. Lifefinder will seek evidence that life could exist in Venus's clouds. https://www.morningstarmissions.space/rocketlabmissiontovenus https://www.morningstarmissions.space/rocketlabmissiontovenus"
[X Link](https://x.com/coreyspowell/status/1989381647901630677) 2025-11-14T17:15Z 80.5K followers, [---] engagements
"That's more like it Marvelous new image of interstellar Comet 3I/ATLAS taken by photographer Satoru Murata before dawn this morning captures intricate structure in its tail(s). On the right you can also see galaxy NGC [----]. https://www.facebook.com/groups/227002358661288/permalink/1619658589395651/mibextid=wwXIfr&rdid=Es101r7n2s2JTsMn https://www.facebook.com/groups/227002358661288/permalink/1619658589395651/mibextid=wwXIfr&rdid=Es101r7n2s2JTsMn"
[X Link](https://x.com/coreyspowell/status/1990170840743440647) 2025-11-16T21:31Z 78.9K followers, 31.3K engagements
"Today I learned: There are more unspent pennies in the United States than there are stars in the Milky Way. https://www.washingtonpost.com/nation/2025/11/15/penny-300-billion-disappear/ https://www.washingtonpost.com/nation/2025/11/15/penny-300-billion-disappear/"
[X Link](https://x.com/coreyspowell/status/1990482055998939248) 2025-11-17T18:07Z 80.2K followers, [----] engagements
"The evolution of life is intimately linked with the pulse of our planet. A new geophysical models shows that the breakup of an ancient super-continent called Nuna may created the conditions that led to the first complex living cells. https://www.sydney.edu.au/news-opinion/news/2025/10/28/earth-boring-billion-years-created-conditions-for-complex-life.html https://www.sydney.edu.au/news-opinion/news/2025/10/28/earth-boring-billion-years-created-conditions-for-complex-life.html"
[X Link](https://x.com/coreyspowell/status/1990882325144416526) 2025-11-18T20:38Z 80.2K followers, [----] engagements
"3 years ago NASA crashed the DART spacecraft into an asteroid at [-----] kilometers per hour. The event changed the asteroid's orbit & sent it tumbling. Scientists are still analyzing the remarkable images of the impact captured by a companion cubesat. https://aasnova.org/2025/11/03/shot-by-the-dart-and-were-to-blame-now-that-space-rock-wont-be-the-same/ https://aasnova.org/2025/11/03/shot-by-the-dart-and-were-to-blame-now-that-space-rock-wont-be-the-same/"
[X Link](https://x.com/coreyspowell/status/1990998965026685319) 2025-11-19T04:21Z 80.2K followers, 17.2K engagements
"NASA's newly released images of interstellar Comet 3I/ATLAS come from across the solar system: Mars surface Mars orbit and the L1 point. They are dividends from investing in exploration & pushing the bounds of knowledge. https://science.nasa.gov/solar-system/comets/3i-atlas/comet-3i-atlas-image-gallery/ https://science.nasa.gov/solar-system/comets/3i-atlas/comet-3i-atlas-image-gallery/"
[X Link](https://x.com/coreyspowell/status/1991262159783801040) 2025-11-19T21:47Z 80.2K followers, [----] engagements
"The sky is a blank slate for us to project images buried deep in our minds. I look at this gorgeous new JWST image & see a human embryo. (It's actually two dying stars circling each other casting out shells of dust. Which is a pretty cool image too.) https://science.nasa.gov/missions/webb/webb-first-to-show-4-dust-shells-spiraling-apep-limits-long-orbit/ https://science.nasa.gov/missions/webb/webb-first-to-show-4-dust-shells-spiraling-apep-limits-long-orbit/"
[X Link](https://x.com/coreyspowell/status/1991553737715044829) 2025-11-20T17:06Z 79.5K followers, [----] engagements
"One of the most exciting discoveries from JWST is "Little Red Dots": ultra-distant galaxies rapidly new stars & spawning a giant black hole They tell us that galaxies grew up much faster than we thought. New observations offer clues about how. https://esawebb.org/news/weic2522/ https://esawebb.org/news/weic2522/"
[X Link](https://x.com/coreyspowell/status/1991939913118556357) 2025-11-21T18:40Z 78.7K followers, [----] engagements
"Sometimes science graphics are refreshingly direct. Here's the technical illustration of what astronomers think is happening in Little Red Dot galaxy CANUCS-LRD-z8.6 seen when the universe was just 4% its present age. (AGN=active galactic nucleus) https://www.nature.com/articles/s41467-025-65070-x https://www.nature.com/articles/s41467-025-65070-x"
[X Link](https://x.com/coreyspowell/status/1991940294544351556) 2025-11-21T18:42Z 79.1K followers, [---] engagements
"A metaphor for holiday family gatherings By studying relationships between distant objects astronomers reconstructed our solar system's early upbringing. Conclusion: The Sun left its birthplace early before its siblings could stir up much trouble. https://aasnova.org/2025/11/14/the-sun-left-home-in-a-hurry/ https://aasnova.org/2025/11/14/the-sun-left-home-in-a-hurry/"
[X Link](https://x.com/coreyspowell/status/1992409571579879483) 2025-11-23T01:47Z 80.2K followers, [----] engagements
"@DJSnM What do you think about direct-energy conversion from an energetic fusion plasma the way that Helion and a few others are attempting to do https://en.wikipedia.org/wiki/Direct_energy_conversion https://en.wikipedia.org/wiki/Direct_energy_conversion"
[X Link](https://x.com/coreyspowell/status/1992638567852671337) 2025-11-23T16:57Z 79.9K followers, [----] engagements
"@jimlux @DJSnM p-b11 has a much lower neutron flux than d-he3 low enough that it's manageable without substantial shielding according to the team at TAE. But of course--all of this needs to be demonstrated in the real world"
[X Link](https://x.com/coreyspowell/status/1992805411687436465) 2025-11-24T04:00Z 79.9K followers, [--] engagements
"@reganh48 @SpaceTimeJack @DJSnM Did somebody ask for plum pudding Here you go. https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/04%3A_Atomic_Structure/4.13%3A_Plum_Pudding_Atomic_Model https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/04%3A_Atomic_Structure/4.13%3A_Plum_Pudding_Atomic_Model"
[X Link](https://x.com/coreyspowell/status/1992997201962811551) 2025-11-24T16:42Z 78.2K followers, [--] engagements
"It's been [---] billion years since protoplanet Theia (probably) collided with Earth & created the Moon. But chemical traces make it possible to study the attacker. Theia was a neighbor from the inner solar system--possibly forming right alongside Earth. https://www.mps.mpg.de/theia-and-earth-were-neighbors https://www.mps.mpg.de/theia-and-earth-were-neighbors"
[X Link](https://x.com/coreyspowell/status/1992998080346493402) 2025-11-24T16:45Z 78.4K followers, [----] engagements
"Look at little Mercury transiting in front of the Sun This scene wasn't visible from Earth but NASA's STEREO A spacecraft caught it on April [--]. (The video is greatly sped up; the actual event took several hours.) https://stereo.gsfc.nasa.gov/ https://stereo.gsfc.nasa.gov/"
[X Link](https://x.com/coreyspowell/status/1993682558853210287) 2025-11-26T14:05Z 78.2K followers, [----] engagements
"NASA's OSIRIS-APEX just flew past Earth making a course adjustment to asteroid Apophis in [----]. Apophis will come very close to us that year & could potentially hit in the future. Now OSIRIS-APEX just needs to survive budget cuts. https://news.arizona.edu/news/osiris-apex-spacecraft-takes-selfie-earth-during-flyby https://news.arizona.edu/news/osiris-apex-spacecraft-takes-selfie-earth-during-flyby"
[X Link](https://x.com/coreyspowell/status/1994754181115060555) 2025-11-29T13:03Z 78.2K followers, [----] engagements
"Scientists find that early Earth may have naturally rained down sulfur-containing biomolecules such as the amino acid cysteine. It's an obscure-sounding result with big implications for the origin of life on Earth (and maybe many other planets). https://www.colorado.edu/today/2025/12/01/new-possibility-life-study-suggests-ancient-skies-rained-down-ingredients https://www.colorado.edu/today/2025/12/01/new-possibility-life-study-suggests-ancient-skies-rained-down-ingredients"
[X Link](https://x.com/coreyspowell/status/1996099055953363073) 2025-12-03T06:07Z 78.2K followers, [----] engagements
"Astronomers have discovered one of the largest spinning structures in the known universe. This "cosmic filament" is [--] million light years long & contains 100s of galaxies that seem to be rotating in alignment. It's part of an even greater cosmic web. https://www.ox.ac.uk/news/2025-12-04-astronomers-spot-one-largest-spinning-structures-ever-found-universe-0 https://www.ox.ac.uk/news/2025-12-04-astronomers-spot-one-largest-spinning-structures-ever-found-universe-0"
[X Link](https://x.com/coreyspowell/status/1996631752417464439) 2025-12-04T17:24Z 78.2K followers, [----] engagements
"@RedCollie1 Many many natural comets have looked like this. Here comets ZTF and Pons-Brooks random examples just from the past few years"
[X Link](https://x.com/coreyspowell/status/1996788761146052785) 2025-12-05T03:48Z 78.2K followers, [---] engagements
"We knew it was going to be bad but now we know how bad: A study of half-million stars shows their planets rapidly vanish as the stars grow old and bloated. The planets may get shredded evaporated or (most likely) dragged by tides into a fiery death. https://warwick.ac.uk/news/pressreleases/ageing_stars_likely_destroy_their_closest_planets/ https://warwick.ac.uk/news/pressreleases/ageing_stars_likely_destroy_their_closest_planets/"
[X Link](https://x.com/coreyspowell/status/1997042864249778222) 2025-12-05T20:38Z 78.2K followers, [----] engagements
"@taku2473allen @uniofwarwick @NASA_TESS I was surprised by that too. But giant stars have very long rotation periods (1 year for Aldebaran for instance) and complex tidal interactions that mostly produce drag on their inner planets. More info in the paper & references: https://academic.oup.com/mnras/article/544/1/1186/8286899login=false https://academic.oup.com/mnras/article/544/1/1186/8286899login=false"
[X Link](https://x.com/coreyspowell/status/1997055999929184486) 2025-12-05T21:30Z 78.2K followers, [--] engagements
"@RedCollie1 Also if you're going to grab someone else's comet image maybe reproduce it accurately without "enhancements" and link to the source. Here is Sebastian Voltmer's original: https://spaceweathergallery2.com/indiv_upload.phpupload_id=229238 https://spaceweathergallery2.com/indiv_upload.phpupload_id=229238"
[X Link](https://x.com/coreyspowell/status/1997155081305969027) 2025-12-06T04:04Z 78.2K followers, [---] engagements
"The XRISM satellite has detected the x-ray glow of Comet 3I/ATLAS. This is the 1st time anyone has managed to obseve x-ray emission from an interstellar comet (FYI: X-rays result from the comet interacting with the solar wind. No spaceships required.) https://www.xrism.jaxa.jp/en/topics/news/1208/ https://www.xrism.jaxa.jp/en/topics/news/1208/"
[X Link](https://x.com/coreyspowell/status/1997652913863164134) 2025-12-07T13:02Z 78.2K followers, [----] engagements
"And on humanity's visionary side. Not only can we see neutrinos we can now measure their spectrum. In essence we can see neutrinos in "color" and start to track down the cosmic sources that create them. The neutrino rainbow: https://www.science.org/content/article/cosmic-neutrinos-kink-could-help-explain-particles-origins https://www.science.org/content/article/cosmic-neutrinos-kink-could-help-explain-particles-origins"
[X Link](https://x.com/coreyspowell/status/1998755008872165756) 2025-12-10T14:01Z 78.2K followers, [----] engagements
"For those who like to know how the sausage gets made: Here is a breakdown of how scientists catch & measure neutrinos as they fly through ice at the south pole. https://icecube.wisc.edu/science/icecube/ https://icecube.wisc.edu/science/icecube/"
[X Link](https://x.com/coreyspowell/status/1998757923028349341) 2025-12-10T14:13Z 78.2K followers, [---] engagements
"New results are in from the huge underground LZ experiment: We really really really have not found dark matter. LZ is so sensitive that it can see neutrinos But still no sign of the hypothetical WIMP dark matter it was designed to detect. https://sanfordlab.org/news/lz-sets-worlds-best-hunt-galactic-dark-matter-and-gets-new-look-neutrinos-suns-core https://sanfordlab.org/news/lz-sets-worlds-best-hunt-galactic-dark-matter-and-gets-new-look-neutrinos-suns-core"
[X Link](https://x.com/coreyspowell/status/1999531875501564216) 2025-12-12T17:28Z 78.2K followers, [----] engagements
"To be clear: This is brilliant work by the LZ team. This is how we learn new things: by putting theories to the test even when those tests are extremely difficult. LZ is performing a wide range of other physics tests & sweeping away old ideas about dark matter"
[X Link](https://x.com/coreyspowell/status/1999532876719644848) 2025-12-12T17:32Z 78.2K followers, [---] engagements
"New images of interstellar Comet 3I/ATLAS coming in. This one from the Gemini North observatory was taken a couple weeks ago but just released today. The green glow is probably due to diatomic carbon. https://noirlab.edu/public/news/noirlab2532/ https://noirlab.edu/public/news/noirlab2532/"
[X Link](https://x.com/coreyspowell/status/1999569892358373646) 2025-12-12T19:59Z 78.2K followers, [----] engagements
"This image of Comet 3I/ATLAS taken by the Hubble telescope four days later offers another perspective on the comet: different telescope different wavelength. With a scale bar for context. https://science.nasa.gov/blogs/3iatlas/2025/12/04/nasas-hubble-space-telescope-revisits-interstellar-comet/ https://science.nasa.gov/blogs/3iatlas/2025/12/04/nasas-hubble-space-telescope-revisits-interstellar-comet/"
[X Link](https://x.com/coreyspowell/status/1999570839885238491) 2025-12-12T20:03Z 78.2K followers, [---] engagements
"@NASAHubble And now an x-ray view of Comet 3I/ATLAS from the XMM-Newton space observatory. The x-ray emission happens where molecules from the comet collide energetically with the solar wind. https://www.esa.int/ESA_Multimedia/Images/2025/12/XMM-Newton_sees_comet_3I_ATLAS_in_X-ray_light https://www.esa.int/ESA_Multimedia/Images/2025/12/XMM-Newton_sees_comet_3I_ATLAS_in_X-ray_light"
[X Link](https://x.com/coreyspowell/status/1999571401032839669) 2025-12-12T20:05Z 78.2K followers, [---] engagements
"The universe is constantly remaking itself. Here for the first time we clearly see how exploding stars fill space with the element potassium. Some of that potassium ended up in you where it enables your heartbeat & signaling in your nerve cells. https://science.nasa.gov/missions/xrism/nasa-jaxa-xrism-finds-elemental-bounty-in-supernova-remnant/ https://science.nasa.gov/missions/xrism/nasa-jaxa-xrism-finds-elemental-bounty-in-supernova-remnant/"
[X Link](https://x.com/coreyspowell/status/2000924798889943541) 2025-12-16T13:43Z 78.2K followers, [----] engagements
"Phobos hovering over the giant volcanoes of Mars Fabulous view from ESA's Mars Express orbiter. Phobos is the 15-mile-wide (25-km) flying grey rock at center. The volcanoes are (l-r) Arsia Mons Pavonis Mons & Ascraeus Mons. Processing by Andrea Luck. https://www.flickr.com/photos/192271236@N03/54997401734/in/photostream/ https://www.flickr.com/photos/192271236@N03/54997401734/in/photostream/"
[X Link](https://x.com/coreyspowell/status/2003136063515324879) 2025-12-22T16:10Z 78.2K followers, [----] engagements
"Many stars shine. Some explode. And in rare cases a star can HALF-explode. The nebula Pa [--] is the result of a half-exploded star. Its zombie corpse keeps energizing it creating a firework shape that resembles a high-altitude nuclear test (right). https://arxiv.org/abs/2512.03140 https://arxiv.org/abs/2512.03140"
[X Link](https://x.com/coreyspowell/status/2003482454120866031) 2025-12-23T15:06Z 78.2K followers, [----] engagements
"@AJamesMcCarthy Thanks for this It's like asking "Why didn't they use an electron microscope to take a really amazing portrait of Timothe Chalamet""
[X Link](https://x.com/coreyspowell/status/2003525493925249503) 2025-12-23T17:57Z 78.2K followers, [---] engagements
""What is the point of space travel" People out there have questions. I have answers. https://www.quora.com/What-is-the-point-of-space-travel-if-we-cant-even-go-0-1-of-the-speed-of-light-At-our-current-best-speed-we-can-never-get-to-another-solar-system-in-our-lifetime/answer/Corey-S-Powell https://www.quora.com/What-is-the-point-of-space-travel-if-we-cant-even-go-0-1-of-the-speed-of-light-At-our-current-best-speed-we-can-never-get-to-another-solar-system-in-our-lifetime/answer/Corey-S-Powell"
[X Link](https://x.com/coreyspowell/status/2003548724795179375) 2025-12-23T19:30Z 78.3K followers, [----] engagements
"Three ways of looking at the iconic Christmas Tree Cluster [----] light years from Earth. What the universe looks like depends on how we look at it. These views highlight infrared (left) x-rays (middle) and red emission from hydrogen gas. Beautiful in three different ways"
[X Link](https://x.com/coreyspowell/status/2004267356433027219) 2025-12-25T19:05Z 78.2K followers, [----] engagements
"The visible universe contains a trillion galaxies in a dizzying variety of styles. The blue scatter at bottom is Leo P a nearby dwarf just one-millionth the mass of our Milky Way. It's almost pure hydrogen & helium much like the galaxies of long ago. https://www.stsci.edu/contents/news-releases/2025/news-2025-401 https://www.stsci.edu/contents/news-releases/2025/news-2025-401"
[X Link](https://x.com/coreyspowell/status/2004760052213907651) 2025-12-27T03:43Z 78.3K followers, [----] engagements
"@WorldAndScience Death Valley"
[X Link](https://x.com/coreyspowell/status/2005055795655049217) 2025-12-27T23:18Z 78.2K followers, [---] engagements
"There will be four eclipses in [----] including widely visible full & partial lunar eclipses plus a total solar eclipse in Spain. For much of North America the March [--] lunar eclipse happens near moonset allowing beautiful views like this. https://www.eclipsewise.com/ https://www.eclipsewise.com/"
[X Link](https://x.com/coreyspowell/status/2005315127898227127) 2025-12-28T16:29Z 78.3K followers, [----] engagements
"It's on ESA & JAXA are teaming up to visit Apophis the 400-meter (1300-foot) asteroid that will skim close by Earth in April [----]. The RAMSES mission will study this potentially hazardous object & watch how Earth's gravity squishes it as it passes. https://cosmos.isas.jaxa.jp/look-up-esa-and-jaxa-to-launch-the-ramses-mission-to-observe-apophis/ https://cosmos.isas.jaxa.jp/look-up-esa-and-jaxa-to-launch-the-ramses-mission-to-observe-apophis/"
[X Link](https://x.com/coreyspowell/status/2005716850601345497) 2025-12-29T19:05Z 78.3K followers, [----] engagements
"So cool. If you zoom in on the upper right you see a little crescent. That's the Martian moon Phobos. Zoom in again and you'll see a star next to Phobos. That's Earth Seen from Mars by NASA's Curiosity rover. https://science.nasa.gov/photojournal/curiosity-views-earth-setting-phobos-rising/ https://science.nasa.gov/photojournal/curiosity-views-earth-setting-phobos-rising/"
[X Link](https://x.com/coreyspowell/status/2006202141799502124) 2025-12-31T03:13Z 78.2K followers, 57K engagements
"Early in the Space Race [--] years ago this week the USSR launched the first spacecraft beyond Earth orbit. Luna [--] missed the Moon and went into solar orbit. Soviet authorities seized the propaganda moment and renamed it "Artificial Planet 1." https://www.orbitalfocus.uk/Diaries/Luna/Luna01.php https://www.orbitalfocus.uk/Diaries/Luna/Luna01.php"
[X Link](https://x.com/coreyspowell/status/2008314569760923775) 2026-01-05T23:08Z 78.2K followers, [----] engagements
"This is Cloud-9 a new type of cosmic object: a starless blob held together by dark matter. Astronomers long speculated that such hidden objects formed the building blocks of bright galaxies like our own. Now they've found one. Amazing detective work https://esahubble.org/news/heic2601/ https://esahubble.org/news/heic2601/"
[X Link](https://x.com/coreyspowell/status/2008321500281999626) 2026-01-05T23:35Z 78.2K followers, [---] engagements
"Radio observations indicated something out there near the galaxy M94. Detailed observations by the Hubble telescope showed nothing but darkness. Cloud-9 appears to be a dark matter halo that never pulled together enough hydrogen gas to produce stars. https://science.nasa.gov/missions/hubble/nasas-hubble-examines-cloud-9-first-of-new-type-of-object/ https://science.nasa.gov/missions/hubble/nasas-hubble-examines-cloud-9-first-of-new-type-of-object/"
[X Link](https://x.com/coreyspowell/status/2008321821951549810) 2026-01-05T23:36Z 78.2K followers, [---] engagements
"This is very good news for NASA and for American science compared to the starvation budget proposed last spring Minibus provides $24.4 billion for NASA for fiscal year [----] https://t.co/rUj3qSWP4c https://t.co/OR1Pu0VWJ2 Minibus provides $24.4 billion for NASA for fiscal year [----] https://t.co/rUj3qSWP4c https://t.co/OR1Pu0VWJ2"
[X Link](https://x.com/coreyspowell/status/2008358675895787613) 2026-01-06T02:03Z 78.3K followers, [----] engagements
"In happier news it's been a great week for strange news about the universe. A few highlights: The Rubin Observatory opened its eyes & immediately discovered [----] asteroids including the fastest-spinning large asteroid (once every [----] minutes). https://noirlab.edu/public/news/noirlab2601/ https://noirlab.edu/public/news/noirlab2601/"
[X Link](https://x.com/coreyspowell/status/2010175422919852075) 2026-01-11T02:22Z 78.2K followers, [----] engagements
"A hellish world: Planet TOI-561 b slightly larger than Earth orbits a sunlike star so closely that a "year" lasts just [--] hours & its surface is lava. Somehow it has a thick atmosphere hinting at how old battered planets might rejuvenate themselves. https://eos.org/articles/a-lava-world-unexpectedly-hosts-an-atmosphere https://eos.org/articles/a-lava-world-unexpectedly-hosts-an-atmosphere"
[X Link](https://x.com/coreyspowell/status/2010175947128090696) 2026-01-11T02:24Z 78.2K followers, [---] engagements
"@theAGU @AGU_Eos See the little dot New studies of that blue flash from the distant universe (a "Luminous Fast Blue Optical Transient") indicate it was caused by a black hole swallowing an entire star. For a moment it blazed as bright as [---] billion Suns. https://public.nrao.edu/news/radio-telescopes-uncover-invisible-gas-around-record-shattering-cosmic-explosion/ https://public.nrao.edu/news/radio-telescopes-uncover-invisible-gas-around-record-shattering-cosmic-explosion/"
[X Link](https://x.com/coreyspowell/status/2010176350012026954) 2026-01-11T02:26Z 78.2K followers, [----] engagements
"@theAGU @AGU_Eos @TheNRAO JWST spotted point-like lights at the edge of the visible universe. Black holes Nope. Colliding galaxies Nope. Something never seen before. These may be clumps of gas collapsing directly into dense clusters of stars--some of the very first galaxies. https://arxiv.org/abs/2509.12177 https://arxiv.org/abs/2509.12177"
[X Link](https://x.com/coreyspowell/status/2010176619907100766) 2026-01-11T02:27Z 78.2K followers, [---] engagements
"The periodic table of elements scaled to show the relative cosmic abundance of elements looks very strange. Hydrogen helium and.not a whole lot else. Source: https://pubs.acs.org/doi/10.1021/ed1000203 The periodic table of elements scaled to show the actual abundance of the elements on Earth by Prof. Wm. F. Sheehan in [----]. https://t.co/803gKuskof https://pubs.acs.org/doi/10.1021/ed1000203 The periodic table of elements scaled to show the actual abundance of the elements on Earth by Prof. Wm. F. Sheehan in [----]. https://t.co/803gKuskof"
[X Link](https://x.com/coreyspowell/status/2011495200212791533) 2026-01-14T17:46Z 78.2K followers, [----] engagements
"@mrmikeMTL Every kid under the age of [--] judging from my daughters and their friends"
[X Link](https://x.com/coreyspowell/status/2011882949038522526) 2026-01-15T19:27Z 78.2K followers, [---] engagements
"Astronomers may have cracked the mystery of the "Little Red Dots": tiny but strangely bright galaxies recently found in distant reaches of the universe. Supermassive black holes Huge bursts of new stars Neither explanation seemed to make sense. (1/2) https://www.nature.com/articles/d41586-025-04089-y https://www.nature.com/articles/d41586-025-04089-y"
[X Link](https://x.com/coreyspowell/status/2012231258324009354) 2026-01-16T18:31Z 78.2K followers, [----] engagements
"@Nature @NASAWebb There's a wonky but important lesson here. Astronomers thought these black holes must be supermassive because gas seemed to be orbiting around them at high velocities. BUT--we can't measure velocities directly. They are inferred from the spectrum"
[X Link](https://x.com/coreyspowell/status/2012251500483912043) 2026-01-16T19:51Z 78.2K followers, [----] engagements
"@Nature @NASAWebb .the new paper suggests the inferences were wrong. If so the gas is moving more slowly the black holes are much less massive than believed & it's much easier to explain how they formed in the v early universe. Take all "cosmology is broken" claims with a big grain of salt"
[X Link](https://x.com/coreyspowell/status/2012252699706679328) 2026-01-16T19:56Z 78.2K followers, [----] engagements
"Artemis II: coming soon to Launch Pad 39B (possibly as early as 7am EST tomorrow) https://www.nasa.gov/blogs/missions/2026/01/16/artemis-ii-moon-rocket-ready-for-big-move/ https://www.nasa.gov/blogs/missions/2026/01/16/artemis-ii-moon-rocket-ready-for-big-move/"
[X Link](https://x.com/coreyspowell/status/2012323773106512085) 2026-01-17T00:39Z 78.2K followers, [---] engagements
"Written in the sky: a history of unrest rest then even more unrest. Radio observations show that a supermassive black hole shot out these plasma jets at a large fraction of the speed of light paused for [---] million years then roared back to life. https://ras.ac.uk/news-and-press/research-highlights/reborn-black-hole-spotted-erupting-cosmic-volcano https://ras.ac.uk/news-and-press/research-highlights/reborn-black-hole-spotted-erupting-cosmic-volcano"
[X Link](https://x.com/coreyspowell/status/2013018877748224304) 2026-01-18T22:41Z 78.2K followers, [----] engagements
"To give you a sense of how powerful a supermassive black hole is: This one blew out a structure 30x the size of our Milky Way. The galaxy where the action started looks like a dot in this image. The black hole is an invisibly tiny dot within that dot. https://academic.oup.com/mnras/article/545/4/staf2038/8424076login=false https://academic.oup.com/mnras/article/545/4/staf2038/8424076login=false"
[X Link](https://x.com/coreyspowell/status/2013019474270511467) 2026-01-18T22:43Z 78.2K followers, [---] engagements
"The universe is full of natural magnifying glasses--gravitational lenses--pointed in random directions. By chance this one aims at a galaxy cluster forming in the early universe [--] billion years ago. It's a peek into how the modern cosmos took shape. https://www.almaobservatory.org/en/press-releases/alma-and-the-nsf-vla-use-a-cosmic-lens-to-reveal-a-hyperactive-cradle-of-a-future-galaxy-cluster/ https://www.almaobservatory.org/en/press-releases/alma-and-the-nsf-vla-use-a-cosmic-lens-to-reveal-a-hyperactive-cradle-of-a-future-galaxy-cluster/"
[X Link](https://x.com/coreyspowell/status/2013822641379963142) 2026-01-21T03:55Z 78.2K followers, [---] engagements
"This image of the Helix Nebula just in from @NASAWebb is just breathtaking We've never seen this level of detail as a dying star's remains stream back out to interstellar space. Our Sun will look something like this [--] billion years from now. https://science.nasa.gov/missions/webb/intricacies-of-helix-nebula-revealed-with-nasas-webb/ https://science.nasa.gov/missions/webb/intricacies-of-helix-nebula-revealed-with-nasas-webb/"
[X Link](https://x.com/coreyspowell/status/2014063916746174563) 2026-01-21T19:53Z 78.2K followers, [----] engagements
"Comets are cold but they're full of silicate crystals that form only at high temperatures. (These crystals left were collected from Comet Wild [--] right.) Now we know how that happens https://science.nasa.gov/missions/webb/nasa-webb-finds-young-sun-like-star-forging-spewing-common-crystals/ https://science.nasa.gov/missions/webb/nasa-webb-finds-young-sun-like-star-forging-spewing-common-crystals/"
[X Link](https://x.com/coreyspowell/status/2014479400343892377) 2026-01-22T23:24Z 78.2K followers, [---] engagements
"40 years ago today Voyager [--] became the first (and so far only) spacecraft to visit to Uranus sending back astonishing images of the planet its thin rings and its peculiar set of moons. @NASAVoyager https://www.nasa.gov/history/35-years-ago-voyager-2-explores-uranus/ https://www.nasa.gov/history/35-years-ago-voyager-2-explores-uranus/"
[X Link](https://x.com/coreyspowell/status/2015305355861827677) 2026-01-25T06:06Z 78.2K followers, [----] engagements
"See the southern sky through ultraviolet goggles. Lovely. http://t.co/FNQPtaBksr via @NASAGoddard http://svs.gsfc.nasa.gov/vis/a010000/a011200/a011293/ http://svs.gsfc.nasa.gov/vis/a010000/a011200/a011293/"
[X Link](https://x.com/coreyspowell/status/341884674886488066) 2013-06-04T11:50Z 81.8K followers, [--] engagements
"@vero_greenwood Missed your message about the moon park b/c Gmail suddenly decided to hide Twitter messages in a new tab. Am I too late"
[X Link](https://x.com/coreyspowell/status/360107207167184897) 2013-07-24T18:40Z 78.2K followers, [--] engagements
"Three years of solar activity in [--] seconds--amazing perspective on the sun from NASA's SDO satellite. http://t.co/aX3D7HimnD @NASA_SDO_Edu http://svs.gsfc.nasa.gov/vis/a010000/a011200/a011255/index.html http://svs.gsfc.nasa.gov/vis/a010000/a011200/a011255/index.html"
[X Link](https://x.com/coreyspowell/status/365236679818227712) 2013-08-07T22:23Z 81.8K followers, [--] engagements
"@MaryBethGriggs @_Tom_Morgan @loveofscience Brilliant photo.but note this is Eyjafjallajkull in [----]. http://t.co/ifwXA08NXN http://bit.ly/YLR1X6 http://bit.ly/YLR1X6"
[X Link](https://x.com/coreyspowell/status/511552561002721280) 2014-09-15T16:30Z 78.2K followers, [--] engagements
"@scicurious @vero_greenwood @edyong209 @TomLevenson @slugnads As a former EIC let me say: You are all late and you all need a rewrite. Go"
[X Link](https://x.com/coreyspowell/status/573164042287767552) 2015-03-04T16:52Z 78.2K followers, [--] engagements
"A lot going on in this one shot: Venus the closest planet; Earthshine on the crescent Moon; a bright green fireball streaking over Belgium. (Photo: Uwe Reichert June 16) http://www.esa.int/spaceinimages/Images/2018/06/Fireball_Moon_Venus http://www.esa.int/spaceinimages/Images/2018/06/Fireball_Moon_Venus"
[X Link](https://x.com/coreyspowell/status/1010862036618792965) 2018-06-24T12:27Z 84.6K followers, [---] engagements
"Carl Anderson discovered antimatter in [----] but didn't realize it right away--probably because his mentor had taught him to be suspicious of quantum mumbo jumbo. https://physics.aps.org/story/v17/st5 https://physics.aps.org/story/v17/st5"
[X Link](https://x.com/coreyspowell/status/1020754872050880512) 2018-07-21T19:38Z 84.6K followers, [--] engagements
"The hourglass-shaped cloud is the shredded remains of the brown dwarf blown outward by the much more massive white dwarf. Here's a wider view (via ESO/T. Kamiski)"
[X Link](https://x.com/coreyspowell/status/1049311212952072192) 2018-10-08T14:51Z 84.6K followers, [--] engagements
"By precisely measuring the motions of stars @ESAGaia is expected to discover [-----] new planets increasing the number of known alien worlds by a factor of [--]. http://sci.esa.int/gaia/58784-exoplanets/ http://sci.esa.int/gaia/58784-exoplanets/"
[X Link](https://x.com/coreyspowell/status/1082272780979195904) 2019-01-07T13:48Z 84.6K followers, [--] engagements
"It's worth recalling that Einstein himself did not believe that black holes could exist. Even geniuses are fallible. #BlackHole http://discovermagazine.com/2008/mar/10-einstein-didnt-grok-his-own-revolution http://discovermagazine.com/2008/mar/10-einstein-didnt-grok-his-own-revolution"
[X Link](https://x.com/coreyspowell/status/1115979175305863169) 2019-04-10T14:05Z 84.6K followers, [--] engagements
"Amir Siraj and Abraham Loeb report that a bright meteor from [----] arrived from beyond our solar system--a sample of interstellar material that came directly to us. (Note: Paper not yet reviewed.)"
[X Link](https://x.com/coreyspowell/status/1117859215899385857) 2019-04-15T18:36Z 84.5K followers, [--] engagements
"A bolide (bright meteor) seen off the coast of Papua New Guinea in [----] may have been an interstellar fragment--'Oumuamua's little cousin. The paper is now online: https://arxiv.org/abs/1904.07224 https://arxiv.org/abs/1904.07224"
[X Link](https://x.com/coreyspowell/status/1117963706779021316) 2019-04-16T01:31Z 84.6K followers, [--] engagements
"Our universe may have a parallel "antiuniverse" made of antimatter according to a provocative new cosmology theory. https://physicsworld.com/a/our-universe-has-antimatter-partner-on-the-other-side-of-the-big-bang-say-physicists/ https://physicsworld.com/a/our-universe-has-antimatter-partner-on-the-other-side-of-the-big-bang-say-physicists/"
[X Link](https://x.com/coreyspowell/status/1143268316951339014) 2019-06-24T21:23Z 84.5K followers, [---] engagements
"From the dept of freaky science: A three-way brain network allowed multiple players to collaborate on a video game using only their thoughts. https://www.washington.edu/news/2019/07/01/play-a-video-game-using-only-your-mind/ https://www.washington.edu/news/2019/07/01/play-a-video-game-using-only-your-mind/"
[X Link](https://x.com/coreyspowell/status/1195205113956175872) 2019-11-15T05:01Z 84.7K followers, [--] engagements
"What a shot That's @astro_luca performing delicate repair work on AMS-02 a dark matter/antimatter experiment aboard the International Space Station. https://www.esa.int/About_Us/Corporate_news/Week_in_images_br_18-22_November_2019 https://www.esa.int/About_Us/Corporate_news/Week_in_images_br_18-22_November_2019"
[X Link](https://x.com/coreyspowell/status/1198720000342790150) 2019-11-24T21:48Z 84.6K followers, [---] engagements
"There's a wind of antimatter blowing past the Earth. A significant portion of it may come from a single pulsar located [---] light years away in the constellation Gemini. https://www.nasa.gov/feature/goddard/2019/nasa-s-fermi-mission-links-nearby-pulsar-s-gamma-ray-halo-to-antimatter-puzzle https://www.nasa.gov/feature/goddard/2019/nasa-s-fermi-mission-links-nearby-pulsar-s-gamma-ray-halo-to-antimatter-puzzle"
[X Link](https://x.com/coreyspowell/status/1207733670813061129) 2019-12-19T18:45Z 84.6K followers, [--] engagements
"Physicist Matthew Caplan has sketched a far-future plan to move the entire solar system if we face a cosmic disaster. Let's hope we achieve great wisdom before we attain that kind of power. https://sites.google.com/view/m-caplan-stellar-engines/startseite https://sites.google.com/view/m-caplan-stellar-engines/startseite"
[X Link](https://x.com/coreyspowell/status/1213206418985238529) 2020-01-03T21:12Z 84.6K followers, [---] engagements
"A Bussard Ramjet could (in theory) move the Sun about [--] light years of distance in [--] million years. The idea is to turn the entire solar system into a starship. https://in.mashable.com/science/9937/astrophysicist-describes-a-stellar-engine-that-can-move-the-solar-system https://in.mashable.com/science/9937/astrophysicist-describes-a-stellar-engine-that-can-move-the-solar-system"
[X Link](https://x.com/coreyspowell/status/1213219421642199040) 2020-01-03T22:03Z 84.4K followers, [--] engagements
"This is the sharpest movie of the Sun ever made. Even at this fine resolution the scale is enormous; each plasma cell here is about the size of Texas. via @NatSolarObs https://www.nso.edu/telescopes/dkist/first-light-cropped-field-movie/ https://www.nso.edu/telescopes/dkist/first-light-cropped-field-movie/"
[X Link](https://x.com/anyuser/status/1222587352037691393) 2020-01-29T18:28Z 78.2K followers, 111.9K engagements
"TIL: There's one known pink manta ray in the world. Its name is Inspector Clouseau. It hangs out near Lady Elliot island on the Great Barrier Reef. And it is something to behold. https://www.australiangeographic.com.au/topics/wildlife/2020/02/stunning-photographs-of-the-great-barrier-reefs-pink-manta-ray-captured/ https://www.australiangeographic.com.au/topics/wildlife/2020/02/stunning-photographs-of-the-great-barrier-reefs-pink-manta-ray-captured/"
[X Link](https://x.com/coreyspowell/status/1227245016029986817) 2020-02-11T14:56Z 84.6K followers, [---] engagements
"The pull of Earth's gravity (and how much you weigh on a scale) depends on where you are standing. This map shows the local variations across the United States. https://mrdata.usgs.gov/metadata/usgravboug.faq.html https://mrdata.usgs.gov/metadata/usgravboug.faq.html"
[X Link](https://x.com/coreyspowell/status/1257787812226781185) 2020-05-05T21:42Z 82K followers, [---] engagements
"Earth's magnetic field is weakening over South America creating a hazard zone for low-orbiting satellites. It's a sign of little-understood changes happening in our planet's core. https://www.esa.int/Applications/Observing_the_Earth/Swarm/Swarm_probes_weakening_of_Earth_s_magnetic_field https://www.esa.int/Applications/Observing_the_Earth/Swarm/Swarm_probes_weakening_of_Earth_s_magnetic_field"
[X Link](https://x.com/anyuser/status/1264665775979323393) 2020-05-24T21:13Z 78.2K followers, [----] engagements
"For the first time astronomers detected an exoplanet indirectly from its gravitational pull & then were able to see it directly: a BIG milestone in the study of alien worlds. https://www.mpe.mpg.de/7506126/news202010102 https://www.mpe.mpg.de/7506126/news202010102"
[X Link](https://x.com/coreyspowell/status/1315362507901538306) 2020-10-11T18:43Z 84.6K followers, [---] engagements
"This is just marvelous: A billion years of plate tectonics reconstructed by Andrew Merdith et al. If you have enough patience Earth looks like a living pulsing organism. https://www.sciencedirect.com/science/article/pii/S0012825220305237dgcid=coauthor https://www.sciencedirect.com/science/article/pii/S0012825220305237dgcid=coauthor"
[X Link](https://x.com/anyuser/status/1356468726309208064) 2021-02-02T05:05Z 78.2K followers, [----] engagements
"Inside every proton in your body (and everywhere else) is a roiling storm of matter and antimatter so complicated that nobody can explain exactly what's happening there. A great mind-bender from @nattyover. https://www.quantamagazine.org/protons-antimatter-revealed-by-decades-old-experiment-20210224/ https://www.quantamagazine.org/protons-antimatter-revealed-by-decades-old-experiment-20210224/"
[X Link](https://x.com/coreyspowell/status/1365144741294309382) 2021-02-26T03:40Z 84.7K followers, [---] engagements
"Stars almost never collide but they *do* sometimes merge. And when that happens the results can be truly beautiful. https://esahubble.org/images/potw2117a/ https://esahubble.org/images/potw2117a/"
[X Link](https://x.com/coreyspowell/status/1388601304679845891) 2021-05-01T21:08Z 84.6K followers, [---] engagements
"Unboxing video of the @NASAWebb space telescope prepping for its launch (at last) from French Guiana. https://www.esa.int/Science_Exploration/Space_Science/Webb https://www.esa.int/Science_Exploration/Space_Science/Webb"
[X Link](https://x.com/coreyspowell/status/1449501696288247808) 2021-10-16T22:25Z 84.6K followers, [--] engagements
"Twitter is full of "wonder science" accounts many of them full of stolen images & misinformation. The recent viral tweet about the alleged void in space offers a good case study in how to spot the fakes. 1/5"
[X Link](https://x.com/anyuser/status/1554203795579625478) 2022-08-01T20:33Z 78.2K followers, 58.8K engagements
"Thirty years ago we did not know of a single planet around another star. Now we can study the gases blowing in the winds of alien worlds -- truly astonishing progress. https://www.nasa.gov/feature/goddard/2022/nasa-s-webb-detects-carbon-dioxide-in-exoplanet-atmosphere https://www.nasa.gov/feature/goddard/2022/nasa-s-webb-detects-carbon-dioxide-in-exoplanet-atmosphere"
[X Link](https://x.com/coreyspowell/status/1563185846894768131) 2022-08-26T15:25Z 84.6K followers, [---] engagements
"@cgseife @McKinsey It amazes me that these reports never consider whether fusion will be economically viable even if it is technologically feasible"
[X Link](https://x.com/coreyspowell/status/1580404821802172416) 2022-10-13T03:47Z 82K followers, [--] engagements
"One week ago an exceptionally bright gamma ray burst lit up the sky indicating the likely birth of a black hole [---] billion light years away. NASA's Swift space telescope captured this image of the burst illuminating layers of dust in our galaxy. https://svs.gsfc.nasa.gov/14227 https://svs.gsfc.nasa.gov/14227"
[X Link](https://x.com/anyuser/status/1581677162641645569) 2022-10-16T16:03Z 78.2K followers, [----] engagements
"The US Space Force's stubby X-37B spaceplane has returned to Earth after [---] days in orbit. Its mission (the public part at least) included NASA tests to see how space exposure affects seeds & electronics. #space #exploration https://spacenews.com/x-37b-space-plane-completes-its-sixth-mission-lands-after-nearly-30-months-in-orbit/ https://spacenews.com/x-37b-space-plane-completes-its-sixth-mission-lands-after-nearly-30-months-in-orbit/"
[X Link](https://x.com/coreyspowell/status/1592001999100612608) 2022-11-14T03:50Z 84.3K followers, [--] engagements
"Circumstantial evidence suggests the US Air Force may have shot down a $200 balloon experiment launched by an enthusiast group called the Northern Illinois Bottlecap Balloon Brigade. #Balloon #NotaUFO https://aviationweek.com/defense-space/aircraft-propulsion/hobby-clubs-missing-balloon-feared-shot-down-usaf https://aviationweek.com/defense-space/aircraft-propulsion/hobby-clubs-missing-balloon-feared-shot-down-usaf"
[X Link](https://x.com/coreyspowell/status/1626341429768331265) 2023-02-16T22:03Z 84.6K followers, 103.7K engagements
"Look at it go That's the @ESA_JUICE probe on its way to Jupiter captured by Samuel L. Jackson using a robotic telescope in the Canary Islands. (No not THAT Samuel L. Jackson this one: @samleejackson) #ESA #Juice"
[X Link](https://x.com/coreyspowell/status/1647243518207750145) 2023-04-15T14:20Z 83.8K followers, [----] engagements
"A thought: If any dinosaurs had developed industrial technology we'd know from chemical signatures left behind in the geological record. But if some dinos had chimp-level intelligence (or even Australopithecus-level intelligence) we'd probably have no way to tell"
[X Link](https://x.com/coreyspowell/status/1677880972631580678) 2023-07-09T03:51Z 84.6K followers, 20K engagements
"A while back I wrote about how difficult it would be to detect an earlier technological species on Earth -- and why we should try even though the likelihood is extremely low"
[X Link](https://x.com/coreyspowell/status/1677887738828259328) 2023-07-09T03:51Z 84.8K followers, [----] engagements
"Spectacular shot of the International Space Station -- taken from the ground using an 11-inch telescope"
[X Link](https://x.com/coreyspowell/status/1678227832500002817) 2023-07-10T02:22Z 84.6K followers, [----] engagements
"The Sun has belts kind of like Jupiter but you need a *lot* of patience to see them. enol anl combined [--] months of images from the Solar Dynamics Observatory to create this view"
[X Link](https://x.com/coreyspowell/status/1679326437751365634) 2023-07-13T19:59Z 84.6K followers, 16K engagements
"The debate about #LK99 superconductivity is important but hard to track. Lots of hype about a "tech revolution" vs deep discussions of "DFT modeling." TL;DR this is an intriguing material but we don't know yet if it's the superconductor of our dreams"
[X Link](https://x.com/coreyspowell/status/1686397831387459584) 2023-08-01T15:28Z 84.6K followers, [----] engagements
"Another dense but interesting thread about #LK99 and the search for a room-temperature superconductor"
[X Link](https://x.com/coreyspowell/status/1686398067975553024) 2023-08-01T15:28Z 84.6K followers, [----] engagements
"Lots of activity on the way to the Moon this week"
[X Link](https://x.com/coreyspowell/status/1691085743295279104) 2023-08-14T13:53Z 84.6K followers, [----] engagements
"@SeaDragonNerd @theAndrewHersh @Aron_VR46 @PatBarn12394576 @NASA @NASAEarth I prefer to give people the opportunity to behave honorably. If they choose not to look & learn then they have to admit (at least to themselves) exactly what they are doing"
[X Link](https://x.com/coreyspowell/status/1691188931725754369) 2023-08-14T20:43Z 84.6K followers, [--] engagements
"The #Chandrayaan3 Moon lander has deployed its rover called Pragyan ("Wisdom"). The rover carries two instruments to measure lunar surface composition in addition to the thermal seismic and plasma experiments on the main lander"
[X Link](https://x.com/coreyspowell/status/1694506881450938736) 2023-08-24T00:28Z 84.6K followers, 21.1K engagements
"Waiting for images and updates from India's #Chandrayaan3 lunar lander"
[X Link](https://x.com/coreyspowell/status/1694913776590418182) 2023-08-25T03:25Z 84.6K followers, [--] engagements
"Another surprising thing about this image: We can only roughly estimate the location of the meteor but we know the distance to the Andromeda Galaxy (M31) to an accuracy of about 1%"
[X Link](https://x.com/coreyspowell/status/1695427092026884359) 2023-08-26T13:24Z 84.6K followers, [----] engagements
"India's #Chandrayaan3 rover is making tracks at the lunar south pole. Meanwhile the Vikram lander poked the Moon with a thermometer & took its internal temperature: [---] degrees C (14 degrees F) [--] cm beneath the surface"
[X Link](https://x.com/coreyspowell/status/1696232562664825223) 2023-08-28T18:45Z 84.7K followers, [----] engagements
"@DonaldM38768041 OK who made the candy versions"
[X Link](https://x.com/coreyspowell/status/1697453183012946321) 2023-09-01T03:35Z 84.6K followers, [--] engagements
"What a tail This is incoming Comet Nishimura being buffeted by the solar wind"
[X Link](https://x.com/coreyspowell/status/1698382172367773731) 2023-09-03T17:07Z 84.6K followers, [----] engagements
"Comet Nishimura photographed yesterday by @Komet123Jager. The comet will make its closest approach to Earth on September 12"
[X Link](https://x.com/coreyspowell/status/1698383017104843064) 2023-09-03T17:10Z 84.6K followers, [----] engagements
"Yesterday India's #Chandrayaan3 fired up its engines and took a little hop on the Moon rising about 40cm (16") and traveling a similar distance to the side. It's a small but important step in developing better mobility on the Moon"
[X Link](https://x.com/coreyspowell/status/1698770774289449003) 2023-09-04T18:51Z 84.6K followers, [----] engagements
"Now the Vikram lander and Pragyan rover are in sleep mode to increase the odds that they will survive the freezing lunar night. Their primary mission is complete; if they wake up on September [--] that will be a bonus"
[X Link](https://x.com/coreyspowell/status/1698772558244466713) 2023-09-04T18:58Z 84.6K followers, [----] engagements
"NASA's Lunar Reconnaissance Orbiter got a snapshot of the Chandrayaan [--] landing site on the Moon.at the same time that the lander's rover took a snapshot from the ground. Our lunar robots are watching out for each other #Chandrayaan_3"
[X Link](https://x.com/coreyspowell/status/1699136625219973356) 2023-09-05T19:05Z 84.6K followers, [----] engagements
"Look closely and you can see the bright halo where #Chandrayaan3's rocket exhaust blew away some Moon dust during touchdown. https://www.lroc.asu.edu/posts/1314 https://www.lroc.asu.edu/posts/1314"
[X Link](https://x.com/coreyspowell/status/1699151229610271061) 2023-09-05T20:03Z 84.6K followers, [----] engagements
Limited data mode. Full metrics available with subscription: lunarcrush.com/pricing
@coreyspowell Corey S. Powell
Corey S. Powell posts on X about comet, solar, sun, space the most. They currently have [------] followers and [----] posts still getting attention that total [-----] engagements in the last [--] hours.
Engagements: [-----] #
- [--] Week [------] +443%
- [--] Month [------] -27%
- [--] Months [---------] +662%
- [--] Year [---------] -24%
Mentions: [--] #
- [--] Months [---] +81%
- [--] Year [---] -66%
Followers: [------] #
- [--] Week [------] -0.01%
- [--] Month [------] -0.04%
- [--] Months [------] -4.70%
- [--] Year [------] -5.40%
CreatorRank: [---------] #
Social Influence
Social category influence countries finance social networks technology brands celebrities travel destinations cryptocurrencies stocks ncaa football musicians
Social topic influence comet, solar, sun, space, earth, moon, the first, antimatter, image #1787, asteroid
Top assets mentioned ASTEROID (ASTEROID) Neutron (NTRN) Intuitive Machines, Inc. (LUNR) Waves (WAVES) OORT (OORT) Robot Consulting Co., Ltd. (LAWR) BEAM (BEAM) Mantle (MNT)
Top Social Posts
Top posts by engagements in the last [--] hours
"Sometimes astronomers are watching a star and it just.fades away. This star in the Andromeda Galaxy might have collapsed into a black hole. Or it might have merged with another star & kicked a huge cloud of dark dust. Either way strange days in space. https://arxiv.org/abs/2601.05317 https://arxiv.org/abs/2601.05317"
X Link 2026-01-28T18:10Z 78.2K followers, [----] engagements
"Then there's the star J0705+0612 which suddenly lost 98% of its light. A new study suggests it got hidden behind a swirling iron-rich cloud. Even weirder: The cloud seems to be the remains of a collision between two Jupiter-size planets. https://noirlab.edu/public/news/noirlab2602/ https://noirlab.edu/public/news/noirlab2602/"
X Link 2026-01-28T18:11Z 78.2K followers, [---] engagements
"Astronomers have found [----] planets but so far nothing quite like our own. The new Terra Hunting Experiment in the Canary Islands is designed to find what we're really looking for: an Earth-size planet in an Earth-like orbit around a Sun-like star. https://www.sciencenews.org/article/earth-analog-terra-hunting-experiment https://www.sciencenews.org/article/earth-analog-terra-hunting-experiment"
X Link 2026-01-29T18:27Z 78.2K followers, [----] engagements
"Scientists talk about magnetic field lines & reconnection events which can sound quite abstract. Here they are for real: lines of magnetic plasma on the Sun twisting snapping & releasing tremendous amounts of energy. (Scale bar is [----] km) via @esa https://www.esa.int/ESA_Multimedia/Images/2026/01/Zooming_in_on_magnetic_reconnection https://www.esa.int/ESA_Multimedia/Images/2026/01/Zooming_in_on_magnetic_reconnection"
X Link 2026-01-31T15:23Z 78.2K followers, [---] engagements
"@chancerubbage @david_kipping Earth-Moon ratio is the most extreme among the major planets but Pluto-Charon is even more so. Interestingly the inferred planet-moon ratio for Kepler 1708b is very similar to that of the Earth-Moon system"
X Link 2022-01-14T15:59Z 78.2K followers, [--] engagements
"This is a real time-lapse video of planets orbiting the star HR [----] [---] light years away: four super-Jupiter worlds dancing around their sun. Amazing Images collected at the Keck Observatory processed by William Thompson (@AstroWrt). #astronomy #space https://arxiv.org/abs/2210.14213 https://arxiv.org/abs/2210.14213"
X Link 2022-12-23T23:53Z 78.2K followers, 696.4K engagements
"JWST found city lights on other planets [--]. No. Didn't happen. [--]. JWST studies of LHS 1140b couldn't even tell if it has an atmosphere or solid surface. [--]. JWST hasn't observed Proxima b or Gliese 12b. Check the observing schedule for yourself: https://jwstfeed.com/Schedule/Search https://jwstfeed.com/Schedule/Search"
X Link 2024-09-28T03:47Z 78.2K followers, [----] engagements
"Look I would LOVE to see evidence of civilizations on other planets. But making up stories just spreads confusion and cynicism. Here are the actual JWST findings about planet LHS 1140b. Getting answers is hard work https://news.umich.edu/astronomers-find-surprising-ice-world-in-the-habitable-zone-with-jwst-data/ https://news.umich.edu/astronomers-find-surprising-ice-world-in-the-habitable-zone-with-jwst-data/"
X Link 2024-09-28T03:52Z 78.2K followers, [----] engagements
"NASA's Juno spacecraft detected the largest volcanic hotspot ever seen in our solar system. It appeared on Jupiter's moon Io it covers [------] square kilometers (bigger than Lake Superior) and it radiates [--] trillion watts of heat. https://www.jpl.nasa.gov/news/nasa-juno-mission-spots-most-powerful-volcanic-activity-on-io-to-date/ https://www.jpl.nasa.gov/news/nasa-juno-mission-spots-most-powerful-volcanic-activity-on-io-to-date/"
X Link 2026-01-30T16:20Z 78.2K followers, [----] engagements
"In [----] Richard Carrington observed the 1st solar flare--an eruption so powerful it knocked out telegraph lines around the world. We had Carrington's drawings but no known picture of the man himself. Until some historical sleuthing finally revealed him. https://academic.oup.com/astrogeo/article/67/1/1.11/8444359login=false https://academic.oup.com/astrogeo/article/67/1/1.11/8444359login=false"
X Link 2026-02-02T15:15Z 78.2K followers, [----] engagements
"One thing that's striking in the new cosmic map is how dark matter closely but not exactly traces the distribution of visible matter. The galaxies we see are "surfing" on an ocean of dark matter it seems. Full paper at link: https://www.nature.com/articles/s41550-025-02763-9.epdfsharing_token=uU4i-ZM-UydZmAoEOEiZddRgN0jAjWel9jnR3ZoTv0NKu69T6yUwRdbKFaGzJQClQOuUOEgvhdmlUa9nxavbzokwT665ZDp9TQn9NjP_iEfSYbps2UiVQc3bzpYlhibWrJDJy5DtZzWDl17wFHWsIDHYmcLIiVN0rTwdKfL5qJ0%3D"
X Link 2026-02-04T01:21Z 78.2K followers, [---] engagements
"Samples of Bennu a primitive asteroid orbiting near Earth contain some surprising ingredients: natural sugars gummy polymers and specks of stardust that are even older than our solar system. There's a lot of complex chemistry brewing in space https://www.nasa.gov/missions/osiris-rex/sugars-gum-stardust-found-in-nasas-asteroid-bennu-samples/ https://www.nasa.gov/missions/osiris-rex/sugars-gum-stardust-found-in-nasas-asteroid-bennu-samples/"
X Link 2025-12-04T04:57Z 78.2K followers, [----] engagements
"A panorama of cosmic life & death: These images of the Sculptor Galaxy combine [---] exposures in 1000s of colors [---] gigs of data. They show [---] planetary nebulae (the demise of other Suns) + a central "chimney" caused by a burst of newly formed stars. https://www.eso.org/public/news/eso2510/ https://www.eso.org/public/news/eso2510/"
X Link 2026-02-08T17:35Z 78.2K followers, [----] engagements
"China's Chang'e-6 lunar lander may have solved a great Moon mystery: Why does its far side look totally different than the side facing us A huge impact [---] billion years ago melted the Moon's mantle & made it lopsided according to a new study. https://eos.org/articles/primordial-impact-may-explain-why-the-moon-is-asymmetrical https://eos.org/articles/primordial-impact-may-explain-why-the-moon-is-asymmetrical"
X Link 2026-02-12T21:07Z 78.2K followers, [----] engagements
"For context this is a sketch of OSIRIS-REx's path around Bennu as it executed its rapid descent and return earlier this week. https://www.asteroidmission.org/attachment_id=23029#main https://www.asteroidmission.org/attachment_id=23029#main"
X Link 2020-04-17T13:37Z 78.2K followers, [--] engagements
"On Earth avalanches are terrifying. On the Sun they are simply overwhelming. The @ESASolarOrbiter captured this magnetic avalanche on the Sun as it triggered a major solar flare. There's an outline of Earth at the beginning of the video for scale. https://www.esa.int/Science_Exploration/Space_Science/Solar_Orbiter/Magnetic_avalanches_power_solar_flares_finds_Solar_Orbiter https://www.esa.int/Science_Exploration/Space_Science/Solar_Orbiter/Magnetic_avalanches_power_solar_flares_finds_Solar_Orbiter"
X Link 2026-01-31T15:21Z 78.2K followers, [----] engagements
"Many people are claiming Japan Space Systems' OHISAMA satellite has achieved space-based power beaming.but I can't find any official word. No paper. No press release. No trace of JSS online just a PowerPoint from a [----] energy conference. Has anyone seen a primary source"
X Link 2026-02-08T18:29Z 78.2K followers, [----] engagements
"@simonmontefiore It really is a spectacular image Not from JWST though. This is a [----] image from NASA's Juno spacecraft in orbit around Jupiter; the image was processed by Gerald Eichstadt and Sean Doran. Original available here: https://science.nasa.gov/photojournal/jupiters-clouds-of-many-colors/ https://science.nasa.gov/photojournal/jupiters-clouds-of-many-colors/"
X Link 2026-02-08T18:39Z 78.2K followers, [---] engagements
"@DJSnM Thank you for calling them out. This is a Juno image processed by Gerald Eichstadt & Sean Doran which has been flipped and saturated. People should know the real sources and credits. https://science.nasa.gov/photojournal/jupiters-clouds-of-many-colors/ https://science.nasa.gov/photojournal/jupiters-clouds-of-many-colors/"
X Link 2026-02-09T23:10Z 78.2K followers, [----] engagements
"While scanning for alien signals researchers found a possible millisecond pulsar near the center of the Milky Way. If confirmed it could help study the structure of our galaxy & map the gravitational pull of the supermassive black hole at the center. https://news.columbia.edu/news/researchers-announce-discovery-possible-pulsar-milky-ways-center https://news.columbia.edu/news/researchers-announce-discovery-possible-pulsar-milky-ways-center"
X Link 2026-02-09T23:51Z 78.2K followers, [----] engagements
"It's frustrating to see huge accounts spreading fake space images when real amazing images are easily accessible. Left: fake. Right: real image from the Akatsuki probe showing Venus's clouds backlit by infrared from its overheated lower atmosphere. https://akatsuki.isas.jaxa.jp/en/gallery/data/ https://akatsuki.isas.jaxa.jp/en/gallery/data/"
X Link 2026-02-11T14:50Z 78.2K followers, [----] engagements
"Japan's under-appreciated Akatsuki Venus probe has greatly expanded our understanding of Earth's strange wayward twin. [---] degrees F and [--] atmospheres of pressure on the ground.superrotating winds above. Context and images here: https://www.planetary.org/articles/0116-a-new-look-at-venus-with-akatsuki https://www.planetary.org/articles/0116-a-new-look-at-venus-with-akatsuki"
X Link 2026-02-11T15:13Z 78.2K followers, [---] engagements
"Ten years ago today physicists reported the first direct detection of gravitational waves disturbances from colliding black holes [---] billion light years away. That was when we as a species developed space-time eyes. My Invisible Universe column: https://invisibleuniverse.substack.com/p/the-day-we-evolved-space-time-eyes https://invisibleuniverse.substack.com/p/the-day-we-evolved-space-time-eyes"
X Link 2026-02-11T21:19Z 78.2K followers, [----] engagements
"@RobJLow Breaking news in a GR class What a moment"
X Link 2026-02-11T21:35Z 78.2K followers, [--] engagements
"@CosmicDaryl The singularity (if real) does not exist in our universe. Neither strictly speaking does the event horizon; it lies in our future. The gravitational field (spacetime distortion) does exist in our universe and when perturbed it creates gravitational waves"
X Link 2026-02-11T22:27Z 78.2K followers, [--] engagements
"@konstructivizm Great information here but readers should know that the artwork is fantasy. This is an actual image of Comet 3I/ATLAS shortly after its closest approach to the Sun. https://britastro.org/observations/observation.phpid=20251109_131937_d020b5f5984edbd4 https://britastro.org/observations/observation.phpid=20251109_131937_d020b5f5984edbd4"
X Link 2026-02-13T06:29Z 78.2K followers, [---] engagements
"Radio is beyond red Gamma rays beyond blue There are [--] octaves of the electromagnetic spectrum But only one we can view #ValentinesDay"
X Link 2026-02-14T18:40Z 78.2K followers, [----] engagements
"Astronomers have just discovered the first alien planet that practices social distancing: LHS 1815b swoops [----] light years above & below the plane of the Milky Way far from most of our galaxy's stars. https://www.sciencealert.com/astronomers-have-just-found-an-exoplanet-that-swoops-outside-the-galactic-plane https://www.sciencealert.com/astronomers-have-just-found-an-exoplanet-that-swoops-outside-the-galactic-plane"
X Link 2020-03-16T17:31Z 78.2K followers, [---] engagements
"Planet LHS 1815b is almost exactly the size of Earth but has an estimated surface temperature around [---] degrees F. That's another effective way to keep people away"
X Link 2020-03-16T17:46Z 78.2K followers, [--] engagements
"NASA's Parker Solar Probe plunged deep into the Sun's corona & passed directly through streamers of solar plasma. The view out the window was.staggering. http://parkersolarprobe.jhuapl.edu/News-Center/Show-Article.phparticleID=173 http://parkersolarprobe.jhuapl.edu/News-Center/Show-Article.phparticleID=173"
X Link 2021-12-15T15:59Z 78.2K followers, 57.6K engagements
"News from the edge of the visible universe: JWST has confirmed this galaxy MoM-z14 as the most distant one yet studied. We're seeing it as it was [----] billion years ago 98% of the way back to the Big Bang. (MoM stands for "miracle or mirage.") https://science.nasa.gov/missions/webb/nasa-webb-pushes-boundaries-of-observable-universe-closer-to-big-bang/ https://science.nasa.gov/missions/webb/nasa-webb-pushes-boundaries-of-observable-universe-closer-to-big-bang/"
X Link 2026-02-06T21:18Z 78.2K followers, [----] engagements
"On Tuesday NASA's @OSIRISREx plunged toward asteroid Bennu preparing to grab samples from the surface and came away with this remarkable video. That's a 900-foot-wide asteroid [---] million miles from Earth https://www.asteroidmission.org/latest-news=one-step-closer-to-touching-asteroid-bennu https://www.asteroidmission.org/latest-news=one-step-closer-to-touching-asteroid-bennu"
X Link 2020-04-17T13:24Z 78.2K followers, [---] engagements
"Amazing: the most detailed map of dark matter in the universe based on JWST observations of [------] galaxies. Background image shows the galaxies in infrared light. Yellow indicates the location of dark matter inferred from its gravitational pull. https://www.nasa.gov/missions/webb/nasa-reveals-new-details-about-dark-matters-influence-on-universe/ https://www.nasa.gov/missions/webb/nasa-reveals-new-details-about-dark-matters-influence-on-universe/"
X Link 2026-02-04T01:20Z 78.2K followers, [----] engagements
"Meanwhile JWST & the Chandra Observatory teamed up to discover JADES-ID1 the most distant known galaxy cluster. Enormous structures (galaxies & galaxy clusters) formed surprising quickly in the early universe. This one is from [----] billion years ago https://chandra.si.edu/photo/2026/protoc/ https://chandra.si.edu/photo/2026/protoc/"
X Link 2026-02-06T21:19Z 78.2K followers, [----] engagements
"Over the years there have been a lot of weird explanations for our two-faced Moon. Samples from the far side suggest a simpler & more logical answer linking the division to the asteroid blast that carved the Moon's South PoleAitken basin. https://www.pnas.org/doi/10.1073/pnas.2515408123 https://www.pnas.org/doi/10.1073/pnas.2515408123"
X Link 2026-02-12T21:09Z 78.2K followers, [---] engagements
"@PNASNews Apollo lunar samples hinted at a strange flurry of major impacts that happened hundreds of millions of years after the solar system formed: the "late heavy bombardment." Chang'e-6 samples suggest it was an illusion addressing another major puzzle. https://www.science.org/doi/10.1126/sciadv.ady9265 https://www.science.org/doi/10.1126/sciadv.ady9265"
X Link 2026-02-12T21:10Z 78.2K followers, [---] engagements
"@PNASNews @ScienceMagazine @ScienceAdvances China's sample-return mission from the lunar far side is greatly expanding our understanding of the solar system. I hope the renewed interest in the Moon brings a lot of new lunar science with it. Here's a look back [---] billion years: https://www.sciencedaily.com/releases/2026/02/260208011014.htm https://www.sciencedaily.com/releases/2026/02/260208011014.htm"
X Link 2026-02-12T21:11Z 78.2K followers, [---] engagements
"@jondpratt @martinmbauer This is an image of the sky seen in gamma rays produced by the annihilation of electrons and positrons (antimatter). We can tell because electron-positron annihilation emits radiation at a specific energy which we can detect and measure on Earth. https://arxiv.org/abs/2509.01066 https://arxiv.org/abs/2509.01066"
X Link 2026-02-11T16:30Z 78.2K followers, [----] engagements
"A cheat sheet to the entire electromagnetic rainbow that comes to us from the distant universe. (The image here shows the gamma ray sky.) https://astrobites.org/2022/10/16/guide-to-the-electromagnetic-spectrum-in-astronomy-2/ https://astrobites.org/2022/10/16/guide-to-the-electromagnetic-spectrum-in-astronomy-2/"
X Link 2026-02-14T18:44Z 78.2K followers, [---] engagements
"Relativity versus quantum mechanics: the battle for the universe Physics The Guardian Physicists have spent decades trying to reconcile two very different theories. But is a winner about to emerge and transform our understanding of everything from time to gravity"
X Link 2023-08-29T21:20Z 10.3M followers, 5M engagements
"Now here's an intriguing idea. Design an ultra-low-cost inflatable space telescope with a simple molded diffraction lens. Build a fleet of [--] of them. Use them to search for signs of life on planets around other stars (and other cool stuff). https://uanews.arizona.edu/story/new-lens-lifesearching-space-telescopes https://uanews.arizona.edu/story/new-lens-lifesearching-space-telescopes"
X Link 2019-08-09T22:14Z 78.2K followers, [--] engagements
"Do other writers find that your lede becomes instantly clear the moment you step into the shower and instantly unclear again the moment you run back to the keyboard"
X Link 2019-10-15T16:32Z 81.6K followers, [--] engagements
"Today's flight of the Starship #SN8 prototype ended with what Elon Musk called an "RUD" (rapid unscheduled disassembly aka "boom") but as a test it was a big success. It didn't finish well but this had to be the coolest part imo. #Starship SN8 #SpaceX https://t.co/tup36wmKFb It didn't finish well but this had to be the coolest part imo. #Starship SN8 #SpaceX https://t.co/tup36wmKFb"
X Link 2020-12-09T23:24Z 78.2K followers, [--] engagements
"@bdorminey @MarcMillis @WashTimes Both the facts and the implications of the story are twisted to support a false narrative. https://www.cnet.com/news/faa-denied-spacex-a-safety-waiver-but-its-starship-sn8-rocket-launched-anyway/ https://www.cnet.com/news/faa-denied-spacex-a-safety-waiver-but-its-starship-sn8-rocket-launched-anyway/"
X Link 2021-02-06T22:19Z 81.8K followers, [--] engagements
"@Astro_Jonny @robert_zubrin @UniKent Absolutely In my tweet I described the velocity used in the test setup but the paper (and article) is framed in terms of survivable pressures not velocities"
X Link 2021-05-25T16:06Z 81.5K followers, [--] engagements
"This is the surface of a comet Dust is swirling around the surface of Comet 67/P -- captured by the @ESA_Rosetta spacecraft processing by @landru79. One of the most remarkable scenes in space exploration"
X Link 2024-03-15T17:11Z 81K followers, 17.4K engagements
"I asked Ed Stone to explain what happened as the Voyager probes passed into interstellar space. He ran to a sink and turned on the water. "Notice how a ring forms here" he said. "That's just like the termination shock when you hit the interstellar stream." #EdStone"
X Link 2024-06-11T21:09Z 81.8K followers, [----] engagements
"@taku2473allen @APSphysics Electrons have unit charge and they fundamental particles with no substructure. Quarks can exist only in combinations with unit charge. Not that we know all the answers But there is no evidence of anything in nature with less than unit net charge"
X Link 2024-08-15T20:46Z 81.5K followers, [--] engagements
"As a kid I was fascinated by Project Mohole an Apollo-style effort to explore the inner Earth. The new drilling project finally realizes that old dream. For a blast of nostalgia check out this [----] Horizons of Science/NSF film on Project Mohole: https://www.youtube.com/watchv=cMfMRxFgjpw https://www.youtube.com/watchv=cMfMRxFgjpw"
X Link 2024-08-19T03:52Z 81.6K followers, [----] engagements
"Billions of years ago Neptune's moon Triton probably had a thick atmosphere and an expansive warm ocean. It makes me wonder: Did life arise multiple places in the solar system only to be snuffed out as those other environments turned lethal https://astrobiology.com/2024/09/the-trans-and-post-capture-orbital-evolution-of-triton.html https://astrobiology.com/2024/09/the-trans-and-post-capture-orbital-evolution-of-triton.html"
X Link 2024-09-27T15:30Z 81.6K followers, 10.9K engagements
"@Astro_Jonny For an object of that size how close would it have to be to a populated region to pose a risk I expect a mid-Pacific impact would be harmless for instance"
X Link 2025-01-31T18:20Z 81.5K followers, [---] engagements
"@Astro_Jonny Ah thanks That potential impact corridor (assuming it sticks) passes over a lot of population"
X Link 2025-01-31T18:31Z 81.5K followers, [---] engagements
"My friend Martin Ratcliffe recently shared his photo montage of the [----] annular solar eclipse over Bryce Canyon Utah. I may be biased but I think it's spectacular (and it got selected for an astronomy picture of the day). https://apod.nasa.gov/apod/ap231019.html https://apod.nasa.gov/apod/ap231019.html"
X Link 2025-02-08T00:13Z 82.5K followers, [----] engagements
"We can now safely say: no killer asteroid coming. Latest observations indicate that asteroid [----] YR4 has just a 0.0039% risk of hitting Earth in [----]. But there's still a small chance it could hit the Moon. https://cneos.jpl.nasa.gov/sentry/details.html#des=2024%20YR4 https://cneos.jpl.nasa.gov/sentry/details.html#des=2024%20YR4"
X Link 2025-02-24T02:08Z 82.5K followers, [----] engagements
"A solar eclipse like no other: This is the first artificial solar eclipse created by two spacecraft flying in precise formation in orbit. Proba-3 will be able to conduct precise studies of the Sun's corona & the process driving powerful solar eruptions. https://www.esa.int/Enabling_Support/Space_Engineering_Technology/Proba-3_s_first_artificial_solar_eclipse https://www.esa.int/Enabling_Support/Space_Engineering_Technology/Proba-3_s_first_artificial_solar_eclipse"
X Link 2025-07-19T15:37Z 81.8K followers, [----] engagements
"@astrobiology GJ 3929b is an Earth-size planet in a Venus-like orbit around a red dwarf star. No sign of a substantial atmosphere there -- more evidence that red dwarf stars tend to strip their planets bare"
X Link 2025-08-20T21:46Z 80.2K followers, [---] engagements
"A couple centuries ago philosophers mused that we'd never know what stars are made of. Today JWST is measuring the detailed composition of a protoplanet & possible moons forming around it. The results show complex chemistry around a newborn world. https://science.nasa.gov/missions/webb/nasas-webb-telescope-studies-moon-forming-disk-around-massive-planet/ https://science.nasa.gov/missions/webb/nasas-webb-telescope-studies-moon-forming-disk-around-massive-planet/"
X Link 2025-10-17T21:55Z 81.8K followers, [----] engagements
"In [----] French philosopher Auguste Comte summed up what he regarded (not unreasonably) as the limits of science. Less than [--] years later William Huggins used spectroscopy to identify elements in the bright star Aldebaran & in the Orion Nebula. https://articles.adsabs.harvard.edu//full/2010JAHH.13.90H/0000090.000.html https://articles.adsabs.harvard.edu//full/2010JAHH.13.90H/0000090.000.html"
X Link 2025-10-17T21:56Z 81.8K followers, [---] engagements
"@jsj35546917 NGC4414 is [--] million light years away or about 500x its diameter. Comet ATLAS passed [--] million km from Mars or about 10000000x its diameter. Also Hubble's mirror is 300x the size of the mirror on ESA's TGO. But TGO still managed a decent shot. https://www.esa.int/Science_Exploration/Space_Science/ESA_s_ExoMars_and_Mars_Express_observe_comet_3I_ATLAS https://www.esa.int/Science_Exploration/Space_Science/ESA_s_ExoMars_and_Mars_Express_observe_comet_3I_ATLAS"
X Link 2025-10-17T23:44Z 81.8K followers, [---] engagements
"Wild A meteorite may have struck the windshield of a [---] flying over Colorado according to early reports. Whatever the object was it cut a pilot's arm but did not seriously damage the plane. https://avbrief.com/united-max-hit-by-falling-object-at-36000-feet/ https://avbrief.com/united-max-hit-by-falling-object-at-36000-feet/"
X Link 2025-10-19T17:34Z 81.7K followers, [----] engagements
"More information about United Airlines flight [----] which was struck by something at [-----] feet. The captain speculated it was falling space debris (natural or human). But extreme-altitude hail might also be possible. https://viewfromthewing.com/united-captain-says-his-plane-was-hit-by-space-debris-at-36000-feet-new-photos-show-cockpit-damage/ https://viewfromthewing.com/united-captain-says-his-plane-was-hit-by-space-debris-at-36000-feet-new-photos-show-cockpit-damage/"
X Link 2025-10-20T00:41Z 81.7K followers, [----] engagements
"China's Chang'e-6 sample-return mission discovered that the far side of the Moon is covered with fragments of carbonaceous water-rich meteorites. Long ago similar objects may have helped give Earth its oceans & delivered raw materials for life. https://english.cas.cn/newsroom/research_news/earth/202510/t20251022_1089997.shtml https://english.cas.cn/newsroom/research_news/earth/202510/t20251022_1089997.shtml"
X Link 2025-10-27T15:14Z 81.7K followers, [----] engagements
"Chang'e-6 was a complex mission that landed on the lunar farside communicated via relay satellite and returned the first samples from the other side of the Moon. A sign of things to come: China has many more groundbreaking space missions in the works. https://www.thebrighterside.news/post/moon-dust-from-change-6-mission-reveals-asteroids-carried-water-to-earth/ https://www.thebrighterside.news/post/moon-dust-from-change-6-mission-reveals-asteroids-carried-water-to-earth/"
X Link 2025-10-27T15:17Z 81.7K followers, [---] engagements
"@brighter_news @CNSA_en Early results from Chang'e-6 indicate late-period volcanism on the Moon & deepen the mystery of why the Moon's farside looks so different from the side we see. The lander also gathered this beautiful & intriguing collection of lunar impact glass beads. https://news.agu.org/10-23-2025-glass-beads-capture-secrets-from-far-side-of-the-moon/ https://news.agu.org/10-23-2025-glass-beads-capture-secrets-from-far-side-of-the-moon/"
X Link 2025-10-27T15:41Z 81.7K followers, [---] engagements
"Possible wind speeds in excess of [---] miles per hour for Hurricane Melissa. We are in unprecedented territory. Melissa now at T8.3. Hard to know what's truly under the hood without aircraft reconnaissance right now but satellite says surely this is a Category [--]. Regardless we're witnessing satellite history in the Atlantic tonight. https://t.co/luUwZZqjkn Melissa now at T8.3. Hard to know what's truly under the hood without aircraft reconnaissance right now but satellite says surely this is a Category [--]. Regardless we're witnessing satellite history in the Atlantic tonight."
X Link 2025-10-27T21:21Z 81.7K followers, [----] engagements
"What a strange beautiful shot of Comet Lemmon now passing through the northwest sky after sunset. Here you see two comet tails (gas and dust) plus the unrelated zigzag trail of a passing meteor. And inevitably a couple satellite trails too. http://star.ucl.ac.uk/apod/apod/ap251027.html http://star.ucl.ac.uk/apod/apod/ap251027.html"
X Link 2025-10-28T15:41Z 81.7K followers, [---] engagements
"Note that this is posted on a mirror site for Astronomy Picture of the Day. The main NASA APOD page is locked due to government shutdown"
X Link 2025-10-28T15:43Z 81.7K followers, [---] engagements
"Spectacular time-lapse image of Comet Lemmon (C/2025 A6) taken by astrophotographer Michael Jger. There might have been um a few satellites passing by during the long exposure. https://forum.vdsastro.de/viewtopic.phpt=7600&start=50#p43988 https://forum.vdsastro.de/viewtopic.phpt=7600&start=50#p43988"
X Link 2025-10-28T22:19Z 81.6K followers, [----] engagements
"@perseverare1776 If anyone cares about facts: You misread the chart. More than 89% of SNAP benefits go to US-born citizens. https://www.politifact.com/article/2025/oct/27/food-stamps-SNAP-ethnicity-chart/ https://www.politifact.com/article/2025/oct/27/food-stamps-SNAP-ethnicity-chart/"
X Link 2025-10-28T23:17Z 81.7K followers, [--] engagements
"The Witch Head Nebula located near the bright star Rigel in Orion. https://www.nasa.gov/image-article/witch-head-nebula/ https://www.nasa.gov/image-article/witch-head-nebula/"
X Link 2025-10-31T15:16Z 81.5K followers, [---] engagements
"@NASAScience_ The Ghost Nebula haunting the constellation Cassiopeia. https://esahubble.org/news/heic1818/ https://esahubble.org/news/heic1818/"
X Link 2025-10-31T15:18Z 81.5K followers, [---] engagements
"@528vibes For reference every comet experiences some non-gravitational acceleration when it passes close to the Sun. This is like predicting "The stock market will go up at some point but then there will also come a time when it goes down.""
X Link 2025-10-31T17:37Z 81.5K followers, [---] engagements
"What a shot of Comet Lemmon You can almost reach out and touch it. Photo taken [--] days ago by Debra Ceravolo. https://app.astrobin.com/u/debraceravoloi=0614kk#gallery https://app.astrobin.com/u/debraceravoloi=0614kk#gallery"
X Link 2025-11-02T06:45Z 81.5K followers, [----] engagements
"This mysterious object called Capotauro might be the earliest most distant galaxy ever seen containing some of the universe's first stars. OR it might be a mundane nearby brown dwarf floating through our Milky Way. Nobody said cosmology was easy. https://arxiv.org/abs/2509.01664v1 https://arxiv.org/abs/2509.01664v1"
X Link 2025-11-04T19:41Z 81K followers, [----] engagements
"Nature makes weird planets & this is among the weirdest: As big as Jupiter made of carbon blasted by winds and heated to [----] degrees C by a dying fast-spinning pulsar. No matter how bad things get here we live on the best of all possible worlds. https://arxiv.org/abs/2509.04558 https://arxiv.org/abs/2509.04558"
X Link 2025-11-08T17:48Z 81K followers, [---] engagements
"This is what the Milky Way would look like at night if your eyes could see radio waves. A hidden beauty. It's a new image created by the Murchison Widefield Array which scanned the sky in [--] radio "colors" over frequencies from [--] to [---] megahertz. https://www.icrar.org/gleam-x-galactic-plane/ https://www.icrar.org/gleam-x-galactic-plane/"
X Link 2025-11-09T18:28Z 81K followers, [----] engagements
"Here's a comparison between the sky that you can see with your human eyes & the sky seen through the radio eyes of the Murchison Widefield Array in Western Australia. https://www.cambridge.org/core/journals/publications-of-the-astronomical-society-of-australia/article/galactic-and-extragalactic-allsky-murchison-widefield-array-survey-extended-gleamx-iii-galactic-plane/C95F9B7DC74EC3F9D3DDCD1C43A905BD"
X Link 2025-11-09T18:31Z 81K followers, [----] engagements
"Wishing you all a happy Carl Sagan Day (born this day in 1934). Fascinating to see his note summarizing the key topics he planned to discuss during his [----] meeting with President Carter. ("Wonder") https://www.loc.gov/collections/finding-our-place-in-the-cosmos-with-carl-sagan/articles-and-essays/carl-sagan-and-the-tradition-of-science/carl-sagan-researcher-educator-communicator-advocate-and-activist/"
X Link 2025-11-10T02:17Z 80.2K followers, [----] engagements
"New images of interstellar Comet 3I/ATLAS are coming in as it moves out of the Sun's glare and (barely) back into view. This shot by Michael Buechner and Frank Niebling shows an intriguing anti-tail and a "smoking" tail. https://britastro.org/observations/observation.phpid=20251109_131937_d020b5f5984edbd4 https://britastro.org/observations/observation.phpid=20251109_131937_d020b5f5984edbd4"
X Link 2025-11-12T00:32Z 81K followers, [----] engagements
"@GrantObi "continues moving through atmosphere" OMG"
X Link 2025-11-12T01:17Z 81K followers, [---] engagements
"@GrantObi Apparently Newsmax has scientifically regressed back to the time of Aristotle"
X Link 2025-11-12T04:01Z 81K followers, [---] engagements
"Interstellar Comet 3I/ATLAS is fragmenting on its way back out from the Sun. https://www.virtualtelescope.eu/2025/11/13/comet-c-2025-k1-atlas-fragmentation-13-nov-2025-image-and-animation/ https://www.virtualtelescope.eu/2025/11/13/comet-c-2025-k1-atlas-fragmentation-13-nov-2025-image-and-animation/"
X Link 2025-11-13T21:26Z 78.2K followers, 57.9K engagements
"Correction: This is Comet K1 ATLAS not the interstellar Comet 3I/ATLAS. My sincere apologies for the mixup. This one is a carbon-poor comet from the Oort Cloud. Interstellar Comet 3I/ATLAS is fragmenting on its way back out from the Sun. https://t.co/m6ifXK5zaY https://t.co/i7s9QQyRem Interstellar Comet 3I/ATLAS is fragmenting on its way back out from the Sun. https://t.co/m6ifXK5zaY https://t.co/i7s9QQyRem"
X Link 2025-11-14T03:02Z 78.8K followers, [----] engagements
"More information about Comet K1 ATLAS: https://en.wikipedia.org/wiki/C/2025_K1_(ATLAS) https://en.wikipedia.org/wiki/C/2025_K1_(ATLAS)"
X Link 2025-11-14T03:02Z 79.8K followers, [----] engagements
"As many here have noted I confused two different comets. This one is Comet K1 ATLAS an Oort Cloud object not interstellar Comet 3I/ATLAS. My apologies for the error"
X Link 2025-11-14T03:08Z 80.2K followers, [----] engagements
"NASA's just-launched ESCAPADE mission is trying out a novel trajectory to Mars one that's slower but allows much more flexible launch dates. The flight path also provides a bonus science session at the L2 equilibrium point near Earth. https://skyandtelescope.org/astronomy-news/escapade-mission-launches-for-a-long-trip-to-mars/ https://skyandtelescope.org/astronomy-news/escapade-mission-launches-for-a-long-trip-to-mars/"
X Link 2025-11-14T17:14Z 79.8K followers, [----] engagements
"The ESCAPADE mission is built on the same architecture that will be used for Rocket Lab's Venus Lifefinder mission a (mostly) private mission currently set to launch in [----]. Lifefinder will seek evidence that life could exist in Venus's clouds. https://www.morningstarmissions.space/rocketlabmissiontovenus https://www.morningstarmissions.space/rocketlabmissiontovenus"
X Link 2025-11-14T17:15Z 80.5K followers, [---] engagements
"That's more like it Marvelous new image of interstellar Comet 3I/ATLAS taken by photographer Satoru Murata before dawn this morning captures intricate structure in its tail(s). On the right you can also see galaxy NGC [----]. https://www.facebook.com/groups/227002358661288/permalink/1619658589395651/mibextid=wwXIfr&rdid=Es101r7n2s2JTsMn https://www.facebook.com/groups/227002358661288/permalink/1619658589395651/mibextid=wwXIfr&rdid=Es101r7n2s2JTsMn"
X Link 2025-11-16T21:31Z 78.9K followers, 31.3K engagements
"Today I learned: There are more unspent pennies in the United States than there are stars in the Milky Way. https://www.washingtonpost.com/nation/2025/11/15/penny-300-billion-disappear/ https://www.washingtonpost.com/nation/2025/11/15/penny-300-billion-disappear/"
X Link 2025-11-17T18:07Z 80.2K followers, [----] engagements
"The evolution of life is intimately linked with the pulse of our planet. A new geophysical models shows that the breakup of an ancient super-continent called Nuna may created the conditions that led to the first complex living cells. https://www.sydney.edu.au/news-opinion/news/2025/10/28/earth-boring-billion-years-created-conditions-for-complex-life.html https://www.sydney.edu.au/news-opinion/news/2025/10/28/earth-boring-billion-years-created-conditions-for-complex-life.html"
X Link 2025-11-18T20:38Z 80.2K followers, [----] engagements
"3 years ago NASA crashed the DART spacecraft into an asteroid at [-----] kilometers per hour. The event changed the asteroid's orbit & sent it tumbling. Scientists are still analyzing the remarkable images of the impact captured by a companion cubesat. https://aasnova.org/2025/11/03/shot-by-the-dart-and-were-to-blame-now-that-space-rock-wont-be-the-same/ https://aasnova.org/2025/11/03/shot-by-the-dart-and-were-to-blame-now-that-space-rock-wont-be-the-same/"
X Link 2025-11-19T04:21Z 80.2K followers, 17.2K engagements
"NASA's newly released images of interstellar Comet 3I/ATLAS come from across the solar system: Mars surface Mars orbit and the L1 point. They are dividends from investing in exploration & pushing the bounds of knowledge. https://science.nasa.gov/solar-system/comets/3i-atlas/comet-3i-atlas-image-gallery/ https://science.nasa.gov/solar-system/comets/3i-atlas/comet-3i-atlas-image-gallery/"
X Link 2025-11-19T21:47Z 80.2K followers, [----] engagements
"The sky is a blank slate for us to project images buried deep in our minds. I look at this gorgeous new JWST image & see a human embryo. (It's actually two dying stars circling each other casting out shells of dust. Which is a pretty cool image too.) https://science.nasa.gov/missions/webb/webb-first-to-show-4-dust-shells-spiraling-apep-limits-long-orbit/ https://science.nasa.gov/missions/webb/webb-first-to-show-4-dust-shells-spiraling-apep-limits-long-orbit/"
X Link 2025-11-20T17:06Z 79.5K followers, [----] engagements
"One of the most exciting discoveries from JWST is "Little Red Dots": ultra-distant galaxies rapidly new stars & spawning a giant black hole They tell us that galaxies grew up much faster than we thought. New observations offer clues about how. https://esawebb.org/news/weic2522/ https://esawebb.org/news/weic2522/"
X Link 2025-11-21T18:40Z 78.7K followers, [----] engagements
"Sometimes science graphics are refreshingly direct. Here's the technical illustration of what astronomers think is happening in Little Red Dot galaxy CANUCS-LRD-z8.6 seen when the universe was just 4% its present age. (AGN=active galactic nucleus) https://www.nature.com/articles/s41467-025-65070-x https://www.nature.com/articles/s41467-025-65070-x"
X Link 2025-11-21T18:42Z 79.1K followers, [---] engagements
"A metaphor for holiday family gatherings By studying relationships between distant objects astronomers reconstructed our solar system's early upbringing. Conclusion: The Sun left its birthplace early before its siblings could stir up much trouble. https://aasnova.org/2025/11/14/the-sun-left-home-in-a-hurry/ https://aasnova.org/2025/11/14/the-sun-left-home-in-a-hurry/"
X Link 2025-11-23T01:47Z 80.2K followers, [----] engagements
"@DJSnM What do you think about direct-energy conversion from an energetic fusion plasma the way that Helion and a few others are attempting to do https://en.wikipedia.org/wiki/Direct_energy_conversion https://en.wikipedia.org/wiki/Direct_energy_conversion"
X Link 2025-11-23T16:57Z 79.9K followers, [----] engagements
"@jimlux @DJSnM p-b11 has a much lower neutron flux than d-he3 low enough that it's manageable without substantial shielding according to the team at TAE. But of course--all of this needs to be demonstrated in the real world"
X Link 2025-11-24T04:00Z 79.9K followers, [--] engagements
"@reganh48 @SpaceTimeJack @DJSnM Did somebody ask for plum pudding Here you go. https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/04%3A_Atomic_Structure/4.13%3A_Plum_Pudding_Atomic_Model https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/04%3A_Atomic_Structure/4.13%3A_Plum_Pudding_Atomic_Model"
X Link 2025-11-24T16:42Z 78.2K followers, [--] engagements
"It's been [---] billion years since protoplanet Theia (probably) collided with Earth & created the Moon. But chemical traces make it possible to study the attacker. Theia was a neighbor from the inner solar system--possibly forming right alongside Earth. https://www.mps.mpg.de/theia-and-earth-were-neighbors https://www.mps.mpg.de/theia-and-earth-were-neighbors"
X Link 2025-11-24T16:45Z 78.4K followers, [----] engagements
"Look at little Mercury transiting in front of the Sun This scene wasn't visible from Earth but NASA's STEREO A spacecraft caught it on April [--]. (The video is greatly sped up; the actual event took several hours.) https://stereo.gsfc.nasa.gov/ https://stereo.gsfc.nasa.gov/"
X Link 2025-11-26T14:05Z 78.2K followers, [----] engagements
"NASA's OSIRIS-APEX just flew past Earth making a course adjustment to asteroid Apophis in [----]. Apophis will come very close to us that year & could potentially hit in the future. Now OSIRIS-APEX just needs to survive budget cuts. https://news.arizona.edu/news/osiris-apex-spacecraft-takes-selfie-earth-during-flyby https://news.arizona.edu/news/osiris-apex-spacecraft-takes-selfie-earth-during-flyby"
X Link 2025-11-29T13:03Z 78.2K followers, [----] engagements
"Scientists find that early Earth may have naturally rained down sulfur-containing biomolecules such as the amino acid cysteine. It's an obscure-sounding result with big implications for the origin of life on Earth (and maybe many other planets). https://www.colorado.edu/today/2025/12/01/new-possibility-life-study-suggests-ancient-skies-rained-down-ingredients https://www.colorado.edu/today/2025/12/01/new-possibility-life-study-suggests-ancient-skies-rained-down-ingredients"
X Link 2025-12-03T06:07Z 78.2K followers, [----] engagements
"Astronomers have discovered one of the largest spinning structures in the known universe. This "cosmic filament" is [--] million light years long & contains 100s of galaxies that seem to be rotating in alignment. It's part of an even greater cosmic web. https://www.ox.ac.uk/news/2025-12-04-astronomers-spot-one-largest-spinning-structures-ever-found-universe-0 https://www.ox.ac.uk/news/2025-12-04-astronomers-spot-one-largest-spinning-structures-ever-found-universe-0"
X Link 2025-12-04T17:24Z 78.2K followers, [----] engagements
"@RedCollie1 Many many natural comets have looked like this. Here comets ZTF and Pons-Brooks random examples just from the past few years"
X Link 2025-12-05T03:48Z 78.2K followers, [---] engagements
"We knew it was going to be bad but now we know how bad: A study of half-million stars shows their planets rapidly vanish as the stars grow old and bloated. The planets may get shredded evaporated or (most likely) dragged by tides into a fiery death. https://warwick.ac.uk/news/pressreleases/ageing_stars_likely_destroy_their_closest_planets/ https://warwick.ac.uk/news/pressreleases/ageing_stars_likely_destroy_their_closest_planets/"
X Link 2025-12-05T20:38Z 78.2K followers, [----] engagements
"@taku2473allen @uniofwarwick @NASA_TESS I was surprised by that too. But giant stars have very long rotation periods (1 year for Aldebaran for instance) and complex tidal interactions that mostly produce drag on their inner planets. More info in the paper & references: https://academic.oup.com/mnras/article/544/1/1186/8286899login=false https://academic.oup.com/mnras/article/544/1/1186/8286899login=false"
X Link 2025-12-05T21:30Z 78.2K followers, [--] engagements
"@RedCollie1 Also if you're going to grab someone else's comet image maybe reproduce it accurately without "enhancements" and link to the source. Here is Sebastian Voltmer's original: https://spaceweathergallery2.com/indiv_upload.phpupload_id=229238 https://spaceweathergallery2.com/indiv_upload.phpupload_id=229238"
X Link 2025-12-06T04:04Z 78.2K followers, [---] engagements
"The XRISM satellite has detected the x-ray glow of Comet 3I/ATLAS. This is the 1st time anyone has managed to obseve x-ray emission from an interstellar comet (FYI: X-rays result from the comet interacting with the solar wind. No spaceships required.) https://www.xrism.jaxa.jp/en/topics/news/1208/ https://www.xrism.jaxa.jp/en/topics/news/1208/"
X Link 2025-12-07T13:02Z 78.2K followers, [----] engagements
"And on humanity's visionary side. Not only can we see neutrinos we can now measure their spectrum. In essence we can see neutrinos in "color" and start to track down the cosmic sources that create them. The neutrino rainbow: https://www.science.org/content/article/cosmic-neutrinos-kink-could-help-explain-particles-origins https://www.science.org/content/article/cosmic-neutrinos-kink-could-help-explain-particles-origins"
X Link 2025-12-10T14:01Z 78.2K followers, [----] engagements
"For those who like to know how the sausage gets made: Here is a breakdown of how scientists catch & measure neutrinos as they fly through ice at the south pole. https://icecube.wisc.edu/science/icecube/ https://icecube.wisc.edu/science/icecube/"
X Link 2025-12-10T14:13Z 78.2K followers, [---] engagements
"New results are in from the huge underground LZ experiment: We really really really have not found dark matter. LZ is so sensitive that it can see neutrinos But still no sign of the hypothetical WIMP dark matter it was designed to detect. https://sanfordlab.org/news/lz-sets-worlds-best-hunt-galactic-dark-matter-and-gets-new-look-neutrinos-suns-core https://sanfordlab.org/news/lz-sets-worlds-best-hunt-galactic-dark-matter-and-gets-new-look-neutrinos-suns-core"
X Link 2025-12-12T17:28Z 78.2K followers, [----] engagements
"To be clear: This is brilliant work by the LZ team. This is how we learn new things: by putting theories to the test even when those tests are extremely difficult. LZ is performing a wide range of other physics tests & sweeping away old ideas about dark matter"
X Link 2025-12-12T17:32Z 78.2K followers, [---] engagements
"New images of interstellar Comet 3I/ATLAS coming in. This one from the Gemini North observatory was taken a couple weeks ago but just released today. The green glow is probably due to diatomic carbon. https://noirlab.edu/public/news/noirlab2532/ https://noirlab.edu/public/news/noirlab2532/"
X Link 2025-12-12T19:59Z 78.2K followers, [----] engagements
"This image of Comet 3I/ATLAS taken by the Hubble telescope four days later offers another perspective on the comet: different telescope different wavelength. With a scale bar for context. https://science.nasa.gov/blogs/3iatlas/2025/12/04/nasas-hubble-space-telescope-revisits-interstellar-comet/ https://science.nasa.gov/blogs/3iatlas/2025/12/04/nasas-hubble-space-telescope-revisits-interstellar-comet/"
X Link 2025-12-12T20:03Z 78.2K followers, [---] engagements
"@NASAHubble And now an x-ray view of Comet 3I/ATLAS from the XMM-Newton space observatory. The x-ray emission happens where molecules from the comet collide energetically with the solar wind. https://www.esa.int/ESA_Multimedia/Images/2025/12/XMM-Newton_sees_comet_3I_ATLAS_in_X-ray_light https://www.esa.int/ESA_Multimedia/Images/2025/12/XMM-Newton_sees_comet_3I_ATLAS_in_X-ray_light"
X Link 2025-12-12T20:05Z 78.2K followers, [---] engagements
"The universe is constantly remaking itself. Here for the first time we clearly see how exploding stars fill space with the element potassium. Some of that potassium ended up in you where it enables your heartbeat & signaling in your nerve cells. https://science.nasa.gov/missions/xrism/nasa-jaxa-xrism-finds-elemental-bounty-in-supernova-remnant/ https://science.nasa.gov/missions/xrism/nasa-jaxa-xrism-finds-elemental-bounty-in-supernova-remnant/"
X Link 2025-12-16T13:43Z 78.2K followers, [----] engagements
"Phobos hovering over the giant volcanoes of Mars Fabulous view from ESA's Mars Express orbiter. Phobos is the 15-mile-wide (25-km) flying grey rock at center. The volcanoes are (l-r) Arsia Mons Pavonis Mons & Ascraeus Mons. Processing by Andrea Luck. https://www.flickr.com/photos/192271236@N03/54997401734/in/photostream/ https://www.flickr.com/photos/192271236@N03/54997401734/in/photostream/"
X Link 2025-12-22T16:10Z 78.2K followers, [----] engagements
"Many stars shine. Some explode. And in rare cases a star can HALF-explode. The nebula Pa [--] is the result of a half-exploded star. Its zombie corpse keeps energizing it creating a firework shape that resembles a high-altitude nuclear test (right). https://arxiv.org/abs/2512.03140 https://arxiv.org/abs/2512.03140"
X Link 2025-12-23T15:06Z 78.2K followers, [----] engagements
"@AJamesMcCarthy Thanks for this It's like asking "Why didn't they use an electron microscope to take a really amazing portrait of Timothe Chalamet""
X Link 2025-12-23T17:57Z 78.2K followers, [---] engagements
""What is the point of space travel" People out there have questions. I have answers. https://www.quora.com/What-is-the-point-of-space-travel-if-we-cant-even-go-0-1-of-the-speed-of-light-At-our-current-best-speed-we-can-never-get-to-another-solar-system-in-our-lifetime/answer/Corey-S-Powell https://www.quora.com/What-is-the-point-of-space-travel-if-we-cant-even-go-0-1-of-the-speed-of-light-At-our-current-best-speed-we-can-never-get-to-another-solar-system-in-our-lifetime/answer/Corey-S-Powell"
X Link 2025-12-23T19:30Z 78.3K followers, [----] engagements
"Three ways of looking at the iconic Christmas Tree Cluster [----] light years from Earth. What the universe looks like depends on how we look at it. These views highlight infrared (left) x-rays (middle) and red emission from hydrogen gas. Beautiful in three different ways"
X Link 2025-12-25T19:05Z 78.2K followers, [----] engagements
"The visible universe contains a trillion galaxies in a dizzying variety of styles. The blue scatter at bottom is Leo P a nearby dwarf just one-millionth the mass of our Milky Way. It's almost pure hydrogen & helium much like the galaxies of long ago. https://www.stsci.edu/contents/news-releases/2025/news-2025-401 https://www.stsci.edu/contents/news-releases/2025/news-2025-401"
X Link 2025-12-27T03:43Z 78.3K followers, [----] engagements
"@WorldAndScience Death Valley"
X Link 2025-12-27T23:18Z 78.2K followers, [---] engagements
"There will be four eclipses in [----] including widely visible full & partial lunar eclipses plus a total solar eclipse in Spain. For much of North America the March [--] lunar eclipse happens near moonset allowing beautiful views like this. https://www.eclipsewise.com/ https://www.eclipsewise.com/"
X Link 2025-12-28T16:29Z 78.3K followers, [----] engagements
"It's on ESA & JAXA are teaming up to visit Apophis the 400-meter (1300-foot) asteroid that will skim close by Earth in April [----]. The RAMSES mission will study this potentially hazardous object & watch how Earth's gravity squishes it as it passes. https://cosmos.isas.jaxa.jp/look-up-esa-and-jaxa-to-launch-the-ramses-mission-to-observe-apophis/ https://cosmos.isas.jaxa.jp/look-up-esa-and-jaxa-to-launch-the-ramses-mission-to-observe-apophis/"
X Link 2025-12-29T19:05Z 78.3K followers, [----] engagements
"So cool. If you zoom in on the upper right you see a little crescent. That's the Martian moon Phobos. Zoom in again and you'll see a star next to Phobos. That's Earth Seen from Mars by NASA's Curiosity rover. https://science.nasa.gov/photojournal/curiosity-views-earth-setting-phobos-rising/ https://science.nasa.gov/photojournal/curiosity-views-earth-setting-phobos-rising/"
X Link 2025-12-31T03:13Z 78.2K followers, 57K engagements
"Early in the Space Race [--] years ago this week the USSR launched the first spacecraft beyond Earth orbit. Luna [--] missed the Moon and went into solar orbit. Soviet authorities seized the propaganda moment and renamed it "Artificial Planet 1." https://www.orbitalfocus.uk/Diaries/Luna/Luna01.php https://www.orbitalfocus.uk/Diaries/Luna/Luna01.php"
X Link 2026-01-05T23:08Z 78.2K followers, [----] engagements
"This is Cloud-9 a new type of cosmic object: a starless blob held together by dark matter. Astronomers long speculated that such hidden objects formed the building blocks of bright galaxies like our own. Now they've found one. Amazing detective work https://esahubble.org/news/heic2601/ https://esahubble.org/news/heic2601/"
X Link 2026-01-05T23:35Z 78.2K followers, [---] engagements
"Radio observations indicated something out there near the galaxy M94. Detailed observations by the Hubble telescope showed nothing but darkness. Cloud-9 appears to be a dark matter halo that never pulled together enough hydrogen gas to produce stars. https://science.nasa.gov/missions/hubble/nasas-hubble-examines-cloud-9-first-of-new-type-of-object/ https://science.nasa.gov/missions/hubble/nasas-hubble-examines-cloud-9-first-of-new-type-of-object/"
X Link 2026-01-05T23:36Z 78.2K followers, [---] engagements
"This is very good news for NASA and for American science compared to the starvation budget proposed last spring Minibus provides $24.4 billion for NASA for fiscal year [----] https://t.co/rUj3qSWP4c https://t.co/OR1Pu0VWJ2 Minibus provides $24.4 billion for NASA for fiscal year [----] https://t.co/rUj3qSWP4c https://t.co/OR1Pu0VWJ2"
X Link 2026-01-06T02:03Z 78.3K followers, [----] engagements
"In happier news it's been a great week for strange news about the universe. A few highlights: The Rubin Observatory opened its eyes & immediately discovered [----] asteroids including the fastest-spinning large asteroid (once every [----] minutes). https://noirlab.edu/public/news/noirlab2601/ https://noirlab.edu/public/news/noirlab2601/"
X Link 2026-01-11T02:22Z 78.2K followers, [----] engagements
"A hellish world: Planet TOI-561 b slightly larger than Earth orbits a sunlike star so closely that a "year" lasts just [--] hours & its surface is lava. Somehow it has a thick atmosphere hinting at how old battered planets might rejuvenate themselves. https://eos.org/articles/a-lava-world-unexpectedly-hosts-an-atmosphere https://eos.org/articles/a-lava-world-unexpectedly-hosts-an-atmosphere"
X Link 2026-01-11T02:24Z 78.2K followers, [---] engagements
"@theAGU @AGU_Eos See the little dot New studies of that blue flash from the distant universe (a "Luminous Fast Blue Optical Transient") indicate it was caused by a black hole swallowing an entire star. For a moment it blazed as bright as [---] billion Suns. https://public.nrao.edu/news/radio-telescopes-uncover-invisible-gas-around-record-shattering-cosmic-explosion/ https://public.nrao.edu/news/radio-telescopes-uncover-invisible-gas-around-record-shattering-cosmic-explosion/"
X Link 2026-01-11T02:26Z 78.2K followers, [----] engagements
"@theAGU @AGU_Eos @TheNRAO JWST spotted point-like lights at the edge of the visible universe. Black holes Nope. Colliding galaxies Nope. Something never seen before. These may be clumps of gas collapsing directly into dense clusters of stars--some of the very first galaxies. https://arxiv.org/abs/2509.12177 https://arxiv.org/abs/2509.12177"
X Link 2026-01-11T02:27Z 78.2K followers, [---] engagements
"The periodic table of elements scaled to show the relative cosmic abundance of elements looks very strange. Hydrogen helium and.not a whole lot else. Source: https://pubs.acs.org/doi/10.1021/ed1000203 The periodic table of elements scaled to show the actual abundance of the elements on Earth by Prof. Wm. F. Sheehan in [----]. https://t.co/803gKuskof https://pubs.acs.org/doi/10.1021/ed1000203 The periodic table of elements scaled to show the actual abundance of the elements on Earth by Prof. Wm. F. Sheehan in [----]. https://t.co/803gKuskof"
X Link 2026-01-14T17:46Z 78.2K followers, [----] engagements
"@mrmikeMTL Every kid under the age of [--] judging from my daughters and their friends"
X Link 2026-01-15T19:27Z 78.2K followers, [---] engagements
"Astronomers may have cracked the mystery of the "Little Red Dots": tiny but strangely bright galaxies recently found in distant reaches of the universe. Supermassive black holes Huge bursts of new stars Neither explanation seemed to make sense. (1/2) https://www.nature.com/articles/d41586-025-04089-y https://www.nature.com/articles/d41586-025-04089-y"
X Link 2026-01-16T18:31Z 78.2K followers, [----] engagements
"@Nature @NASAWebb There's a wonky but important lesson here. Astronomers thought these black holes must be supermassive because gas seemed to be orbiting around them at high velocities. BUT--we can't measure velocities directly. They are inferred from the spectrum"
X Link 2026-01-16T19:51Z 78.2K followers, [----] engagements
"@Nature @NASAWebb .the new paper suggests the inferences were wrong. If so the gas is moving more slowly the black holes are much less massive than believed & it's much easier to explain how they formed in the v early universe. Take all "cosmology is broken" claims with a big grain of salt"
X Link 2026-01-16T19:56Z 78.2K followers, [----] engagements
"Artemis II: coming soon to Launch Pad 39B (possibly as early as 7am EST tomorrow) https://www.nasa.gov/blogs/missions/2026/01/16/artemis-ii-moon-rocket-ready-for-big-move/ https://www.nasa.gov/blogs/missions/2026/01/16/artemis-ii-moon-rocket-ready-for-big-move/"
X Link 2026-01-17T00:39Z 78.2K followers, [---] engagements
"Written in the sky: a history of unrest rest then even more unrest. Radio observations show that a supermassive black hole shot out these plasma jets at a large fraction of the speed of light paused for [---] million years then roared back to life. https://ras.ac.uk/news-and-press/research-highlights/reborn-black-hole-spotted-erupting-cosmic-volcano https://ras.ac.uk/news-and-press/research-highlights/reborn-black-hole-spotted-erupting-cosmic-volcano"
X Link 2026-01-18T22:41Z 78.2K followers, [----] engagements
"To give you a sense of how powerful a supermassive black hole is: This one blew out a structure 30x the size of our Milky Way. The galaxy where the action started looks like a dot in this image. The black hole is an invisibly tiny dot within that dot. https://academic.oup.com/mnras/article/545/4/staf2038/8424076login=false https://academic.oup.com/mnras/article/545/4/staf2038/8424076login=false"
X Link 2026-01-18T22:43Z 78.2K followers, [---] engagements
"The universe is full of natural magnifying glasses--gravitational lenses--pointed in random directions. By chance this one aims at a galaxy cluster forming in the early universe [--] billion years ago. It's a peek into how the modern cosmos took shape. https://www.almaobservatory.org/en/press-releases/alma-and-the-nsf-vla-use-a-cosmic-lens-to-reveal-a-hyperactive-cradle-of-a-future-galaxy-cluster/ https://www.almaobservatory.org/en/press-releases/alma-and-the-nsf-vla-use-a-cosmic-lens-to-reveal-a-hyperactive-cradle-of-a-future-galaxy-cluster/"
X Link 2026-01-21T03:55Z 78.2K followers, [---] engagements
"This image of the Helix Nebula just in from @NASAWebb is just breathtaking We've never seen this level of detail as a dying star's remains stream back out to interstellar space. Our Sun will look something like this [--] billion years from now. https://science.nasa.gov/missions/webb/intricacies-of-helix-nebula-revealed-with-nasas-webb/ https://science.nasa.gov/missions/webb/intricacies-of-helix-nebula-revealed-with-nasas-webb/"
X Link 2026-01-21T19:53Z 78.2K followers, [----] engagements
"Comets are cold but they're full of silicate crystals that form only at high temperatures. (These crystals left were collected from Comet Wild [--] right.) Now we know how that happens https://science.nasa.gov/missions/webb/nasa-webb-finds-young-sun-like-star-forging-spewing-common-crystals/ https://science.nasa.gov/missions/webb/nasa-webb-finds-young-sun-like-star-forging-spewing-common-crystals/"
X Link 2026-01-22T23:24Z 78.2K followers, [---] engagements
"40 years ago today Voyager [--] became the first (and so far only) spacecraft to visit to Uranus sending back astonishing images of the planet its thin rings and its peculiar set of moons. @NASAVoyager https://www.nasa.gov/history/35-years-ago-voyager-2-explores-uranus/ https://www.nasa.gov/history/35-years-ago-voyager-2-explores-uranus/"
X Link 2026-01-25T06:06Z 78.2K followers, [----] engagements
"See the southern sky through ultraviolet goggles. Lovely. http://t.co/FNQPtaBksr via @NASAGoddard http://svs.gsfc.nasa.gov/vis/a010000/a011200/a011293/ http://svs.gsfc.nasa.gov/vis/a010000/a011200/a011293/"
X Link 2013-06-04T11:50Z 81.8K followers, [--] engagements
"@vero_greenwood Missed your message about the moon park b/c Gmail suddenly decided to hide Twitter messages in a new tab. Am I too late"
X Link 2013-07-24T18:40Z 78.2K followers, [--] engagements
"Three years of solar activity in [--] seconds--amazing perspective on the sun from NASA's SDO satellite. http://t.co/aX3D7HimnD @NASA_SDO_Edu http://svs.gsfc.nasa.gov/vis/a010000/a011200/a011255/index.html http://svs.gsfc.nasa.gov/vis/a010000/a011200/a011255/index.html"
X Link 2013-08-07T22:23Z 81.8K followers, [--] engagements
"@MaryBethGriggs @_Tom_Morgan @loveofscience Brilliant photo.but note this is Eyjafjallajkull in [----]. http://t.co/ifwXA08NXN http://bit.ly/YLR1X6 http://bit.ly/YLR1X6"
X Link 2014-09-15T16:30Z 78.2K followers, [--] engagements
"@scicurious @vero_greenwood @edyong209 @TomLevenson @slugnads As a former EIC let me say: You are all late and you all need a rewrite. Go"
X Link 2015-03-04T16:52Z 78.2K followers, [--] engagements
"A lot going on in this one shot: Venus the closest planet; Earthshine on the crescent Moon; a bright green fireball streaking over Belgium. (Photo: Uwe Reichert June 16) http://www.esa.int/spaceinimages/Images/2018/06/Fireball_Moon_Venus http://www.esa.int/spaceinimages/Images/2018/06/Fireball_Moon_Venus"
X Link 2018-06-24T12:27Z 84.6K followers, [---] engagements
"Carl Anderson discovered antimatter in [----] but didn't realize it right away--probably because his mentor had taught him to be suspicious of quantum mumbo jumbo. https://physics.aps.org/story/v17/st5 https://physics.aps.org/story/v17/st5"
X Link 2018-07-21T19:38Z 84.6K followers, [--] engagements
"The hourglass-shaped cloud is the shredded remains of the brown dwarf blown outward by the much more massive white dwarf. Here's a wider view (via ESO/T. Kamiski)"
X Link 2018-10-08T14:51Z 84.6K followers, [--] engagements
"By precisely measuring the motions of stars @ESAGaia is expected to discover [-----] new planets increasing the number of known alien worlds by a factor of [--]. http://sci.esa.int/gaia/58784-exoplanets/ http://sci.esa.int/gaia/58784-exoplanets/"
X Link 2019-01-07T13:48Z 84.6K followers, [--] engagements
"It's worth recalling that Einstein himself did not believe that black holes could exist. Even geniuses are fallible. #BlackHole http://discovermagazine.com/2008/mar/10-einstein-didnt-grok-his-own-revolution http://discovermagazine.com/2008/mar/10-einstein-didnt-grok-his-own-revolution"
X Link 2019-04-10T14:05Z 84.6K followers, [--] engagements
"Amir Siraj and Abraham Loeb report that a bright meteor from [----] arrived from beyond our solar system--a sample of interstellar material that came directly to us. (Note: Paper not yet reviewed.)"
X Link 2019-04-15T18:36Z 84.5K followers, [--] engagements
"A bolide (bright meteor) seen off the coast of Papua New Guinea in [----] may have been an interstellar fragment--'Oumuamua's little cousin. The paper is now online: https://arxiv.org/abs/1904.07224 https://arxiv.org/abs/1904.07224"
X Link 2019-04-16T01:31Z 84.6K followers, [--] engagements
"Our universe may have a parallel "antiuniverse" made of antimatter according to a provocative new cosmology theory. https://physicsworld.com/a/our-universe-has-antimatter-partner-on-the-other-side-of-the-big-bang-say-physicists/ https://physicsworld.com/a/our-universe-has-antimatter-partner-on-the-other-side-of-the-big-bang-say-physicists/"
X Link 2019-06-24T21:23Z 84.5K followers, [---] engagements
"From the dept of freaky science: A three-way brain network allowed multiple players to collaborate on a video game using only their thoughts. https://www.washington.edu/news/2019/07/01/play-a-video-game-using-only-your-mind/ https://www.washington.edu/news/2019/07/01/play-a-video-game-using-only-your-mind/"
X Link 2019-11-15T05:01Z 84.7K followers, [--] engagements
"What a shot That's @astro_luca performing delicate repair work on AMS-02 a dark matter/antimatter experiment aboard the International Space Station. https://www.esa.int/About_Us/Corporate_news/Week_in_images_br_18-22_November_2019 https://www.esa.int/About_Us/Corporate_news/Week_in_images_br_18-22_November_2019"
X Link 2019-11-24T21:48Z 84.6K followers, [---] engagements
"There's a wind of antimatter blowing past the Earth. A significant portion of it may come from a single pulsar located [---] light years away in the constellation Gemini. https://www.nasa.gov/feature/goddard/2019/nasa-s-fermi-mission-links-nearby-pulsar-s-gamma-ray-halo-to-antimatter-puzzle https://www.nasa.gov/feature/goddard/2019/nasa-s-fermi-mission-links-nearby-pulsar-s-gamma-ray-halo-to-antimatter-puzzle"
X Link 2019-12-19T18:45Z 84.6K followers, [--] engagements
"Physicist Matthew Caplan has sketched a far-future plan to move the entire solar system if we face a cosmic disaster. Let's hope we achieve great wisdom before we attain that kind of power. https://sites.google.com/view/m-caplan-stellar-engines/startseite https://sites.google.com/view/m-caplan-stellar-engines/startseite"
X Link 2020-01-03T21:12Z 84.6K followers, [---] engagements
"A Bussard Ramjet could (in theory) move the Sun about [--] light years of distance in [--] million years. The idea is to turn the entire solar system into a starship. https://in.mashable.com/science/9937/astrophysicist-describes-a-stellar-engine-that-can-move-the-solar-system https://in.mashable.com/science/9937/astrophysicist-describes-a-stellar-engine-that-can-move-the-solar-system"
X Link 2020-01-03T22:03Z 84.4K followers, [--] engagements
"This is the sharpest movie of the Sun ever made. Even at this fine resolution the scale is enormous; each plasma cell here is about the size of Texas. via @NatSolarObs https://www.nso.edu/telescopes/dkist/first-light-cropped-field-movie/ https://www.nso.edu/telescopes/dkist/first-light-cropped-field-movie/"
X Link 2020-01-29T18:28Z 78.2K followers, 111.9K engagements
"TIL: There's one known pink manta ray in the world. Its name is Inspector Clouseau. It hangs out near Lady Elliot island on the Great Barrier Reef. And it is something to behold. https://www.australiangeographic.com.au/topics/wildlife/2020/02/stunning-photographs-of-the-great-barrier-reefs-pink-manta-ray-captured/ https://www.australiangeographic.com.au/topics/wildlife/2020/02/stunning-photographs-of-the-great-barrier-reefs-pink-manta-ray-captured/"
X Link 2020-02-11T14:56Z 84.6K followers, [---] engagements
"The pull of Earth's gravity (and how much you weigh on a scale) depends on where you are standing. This map shows the local variations across the United States. https://mrdata.usgs.gov/metadata/usgravboug.faq.html https://mrdata.usgs.gov/metadata/usgravboug.faq.html"
X Link 2020-05-05T21:42Z 82K followers, [---] engagements
"Earth's magnetic field is weakening over South America creating a hazard zone for low-orbiting satellites. It's a sign of little-understood changes happening in our planet's core. https://www.esa.int/Applications/Observing_the_Earth/Swarm/Swarm_probes_weakening_of_Earth_s_magnetic_field https://www.esa.int/Applications/Observing_the_Earth/Swarm/Swarm_probes_weakening_of_Earth_s_magnetic_field"
X Link 2020-05-24T21:13Z 78.2K followers, [----] engagements
"For the first time astronomers detected an exoplanet indirectly from its gravitational pull & then were able to see it directly: a BIG milestone in the study of alien worlds. https://www.mpe.mpg.de/7506126/news202010102 https://www.mpe.mpg.de/7506126/news202010102"
X Link 2020-10-11T18:43Z 84.6K followers, [---] engagements
"This is just marvelous: A billion years of plate tectonics reconstructed by Andrew Merdith et al. If you have enough patience Earth looks like a living pulsing organism. https://www.sciencedirect.com/science/article/pii/S0012825220305237dgcid=coauthor https://www.sciencedirect.com/science/article/pii/S0012825220305237dgcid=coauthor"
X Link 2021-02-02T05:05Z 78.2K followers, [----] engagements
"Inside every proton in your body (and everywhere else) is a roiling storm of matter and antimatter so complicated that nobody can explain exactly what's happening there. A great mind-bender from @nattyover. https://www.quantamagazine.org/protons-antimatter-revealed-by-decades-old-experiment-20210224/ https://www.quantamagazine.org/protons-antimatter-revealed-by-decades-old-experiment-20210224/"
X Link 2021-02-26T03:40Z 84.7K followers, [---] engagements
"Stars almost never collide but they do sometimes merge. And when that happens the results can be truly beautiful. https://esahubble.org/images/potw2117a/ https://esahubble.org/images/potw2117a/"
X Link 2021-05-01T21:08Z 84.6K followers, [---] engagements
"Unboxing video of the @NASAWebb space telescope prepping for its launch (at last) from French Guiana. https://www.esa.int/Science_Exploration/Space_Science/Webb https://www.esa.int/Science_Exploration/Space_Science/Webb"
X Link 2021-10-16T22:25Z 84.6K followers, [--] engagements
"Twitter is full of "wonder science" accounts many of them full of stolen images & misinformation. The recent viral tweet about the alleged void in space offers a good case study in how to spot the fakes. 1/5"
X Link 2022-08-01T20:33Z 78.2K followers, 58.8K engagements
"Thirty years ago we did not know of a single planet around another star. Now we can study the gases blowing in the winds of alien worlds -- truly astonishing progress. https://www.nasa.gov/feature/goddard/2022/nasa-s-webb-detects-carbon-dioxide-in-exoplanet-atmosphere https://www.nasa.gov/feature/goddard/2022/nasa-s-webb-detects-carbon-dioxide-in-exoplanet-atmosphere"
X Link 2022-08-26T15:25Z 84.6K followers, [---] engagements
"@cgseife @McKinsey It amazes me that these reports never consider whether fusion will be economically viable even if it is technologically feasible"
X Link 2022-10-13T03:47Z 82K followers, [--] engagements
"One week ago an exceptionally bright gamma ray burst lit up the sky indicating the likely birth of a black hole [---] billion light years away. NASA's Swift space telescope captured this image of the burst illuminating layers of dust in our galaxy. https://svs.gsfc.nasa.gov/14227 https://svs.gsfc.nasa.gov/14227"
X Link 2022-10-16T16:03Z 78.2K followers, [----] engagements
"The US Space Force's stubby X-37B spaceplane has returned to Earth after [---] days in orbit. Its mission (the public part at least) included NASA tests to see how space exposure affects seeds & electronics. #space #exploration https://spacenews.com/x-37b-space-plane-completes-its-sixth-mission-lands-after-nearly-30-months-in-orbit/ https://spacenews.com/x-37b-space-plane-completes-its-sixth-mission-lands-after-nearly-30-months-in-orbit/"
X Link 2022-11-14T03:50Z 84.3K followers, [--] engagements
"Circumstantial evidence suggests the US Air Force may have shot down a $200 balloon experiment launched by an enthusiast group called the Northern Illinois Bottlecap Balloon Brigade. #Balloon #NotaUFO https://aviationweek.com/defense-space/aircraft-propulsion/hobby-clubs-missing-balloon-feared-shot-down-usaf https://aviationweek.com/defense-space/aircraft-propulsion/hobby-clubs-missing-balloon-feared-shot-down-usaf"
X Link 2023-02-16T22:03Z 84.6K followers, 103.7K engagements
"Look at it go That's the @ESA_JUICE probe on its way to Jupiter captured by Samuel L. Jackson using a robotic telescope in the Canary Islands. (No not THAT Samuel L. Jackson this one: @samleejackson) #ESA #Juice"
X Link 2023-04-15T14:20Z 83.8K followers, [----] engagements
"A thought: If any dinosaurs had developed industrial technology we'd know from chemical signatures left behind in the geological record. But if some dinos had chimp-level intelligence (or even Australopithecus-level intelligence) we'd probably have no way to tell"
X Link 2023-07-09T03:51Z 84.6K followers, 20K engagements
"A while back I wrote about how difficult it would be to detect an earlier technological species on Earth -- and why we should try even though the likelihood is extremely low"
X Link 2023-07-09T03:51Z 84.8K followers, [----] engagements
"Spectacular shot of the International Space Station -- taken from the ground using an 11-inch telescope"
X Link 2023-07-10T02:22Z 84.6K followers, [----] engagements
"The Sun has belts kind of like Jupiter but you need a lot of patience to see them. enol anl combined [--] months of images from the Solar Dynamics Observatory to create this view"
X Link 2023-07-13T19:59Z 84.6K followers, 16K engagements
"The debate about #LK99 superconductivity is important but hard to track. Lots of hype about a "tech revolution" vs deep discussions of "DFT modeling." TL;DR this is an intriguing material but we don't know yet if it's the superconductor of our dreams"
X Link 2023-08-01T15:28Z 84.6K followers, [----] engagements
"Another dense but interesting thread about #LK99 and the search for a room-temperature superconductor"
X Link 2023-08-01T15:28Z 84.6K followers, [----] engagements
"Lots of activity on the way to the Moon this week"
X Link 2023-08-14T13:53Z 84.6K followers, [----] engagements
"@SeaDragonNerd @theAndrewHersh @Aron_VR46 @PatBarn12394576 @NASA @NASAEarth I prefer to give people the opportunity to behave honorably. If they choose not to look & learn then they have to admit (at least to themselves) exactly what they are doing"
X Link 2023-08-14T20:43Z 84.6K followers, [--] engagements
"The #Chandrayaan3 Moon lander has deployed its rover called Pragyan ("Wisdom"). The rover carries two instruments to measure lunar surface composition in addition to the thermal seismic and plasma experiments on the main lander"
X Link 2023-08-24T00:28Z 84.6K followers, 21.1K engagements
"Waiting for images and updates from India's #Chandrayaan3 lunar lander"
X Link 2023-08-25T03:25Z 84.6K followers, [--] engagements
"Another surprising thing about this image: We can only roughly estimate the location of the meteor but we know the distance to the Andromeda Galaxy (M31) to an accuracy of about 1%"
X Link 2023-08-26T13:24Z 84.6K followers, [----] engagements
"India's #Chandrayaan3 rover is making tracks at the lunar south pole. Meanwhile the Vikram lander poked the Moon with a thermometer & took its internal temperature: [---] degrees C (14 degrees F) [--] cm beneath the surface"
X Link 2023-08-28T18:45Z 84.7K followers, [----] engagements
"@DonaldM38768041 OK who made the candy versions"
X Link 2023-09-01T03:35Z 84.6K followers, [--] engagements
"What a tail This is incoming Comet Nishimura being buffeted by the solar wind"
X Link 2023-09-03T17:07Z 84.6K followers, [----] engagements
"Comet Nishimura photographed yesterday by @Komet123Jager. The comet will make its closest approach to Earth on September 12"
X Link 2023-09-03T17:10Z 84.6K followers, [----] engagements
"Yesterday India's #Chandrayaan3 fired up its engines and took a little hop on the Moon rising about 40cm (16") and traveling a similar distance to the side. It's a small but important step in developing better mobility on the Moon"
X Link 2023-09-04T18:51Z 84.6K followers, [----] engagements
"Now the Vikram lander and Pragyan rover are in sleep mode to increase the odds that they will survive the freezing lunar night. Their primary mission is complete; if they wake up on September [--] that will be a bonus"
X Link 2023-09-04T18:58Z 84.6K followers, [----] engagements
"NASA's Lunar Reconnaissance Orbiter got a snapshot of the Chandrayaan [--] landing site on the Moon.at the same time that the lander's rover took a snapshot from the ground. Our lunar robots are watching out for each other #Chandrayaan_3"
X Link 2023-09-05T19:05Z 84.6K followers, [----] engagements
"Look closely and you can see the bright halo where #Chandrayaan3's rocket exhaust blew away some Moon dust during touchdown. https://www.lroc.asu.edu/posts/1314 https://www.lroc.asu.edu/posts/1314"
X Link 2023-09-05T20:03Z 84.6K followers, [----] engagements
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