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@ToughSf "A neat realistic design described as a starship orbiting Proxima Centauri b. #space #art by """
X Link @ToughSf 2025-10-11T08:00Z 29.6K followers, 6366 engagements

"A Dragon capsule without its aeroshell or heatshield. Perhaps it could operate like this with a minimal covering to serve as thermal and MMOD protection"
X Link @ToughSf 2025-10-05T11:00Z 29.6K followers, 117.5K engagements

"'Swarm' a XXX kW one-way solar electric vehicle for towing solar power satellites into GEO: It starts at XX tons to be delivered into LEO by the Argus spaceplane but produces a measly 16N of thrust at 2500s Isp from Krypton ion engines"
X Link @ToughSf 2025-10-15T15:00Z 29.6K followers, 3888 engagements

"A pure deuterium-deuterium fusion rocket would have an exhaust velocity of XXXXX C. With a high mass ratio and a magnetic sail for propellant-free braking a DD fusion starship could cruise at 0.29C"
X Link @ToughSf 2025-10-14T15:00Z 29.6K followers, 6861 engagements

"Solar-powered airships for high altitude (18-20 km) long-endurance surveillance and early warning: X of these could cover the entire US east coast with XXX km range radar but they'd need to be 185m long and generate XXX kW"
X Link @ToughSf 2025-10-16T11:00Z 29.6K followers, 1633 engagements

"SDI document detailing the High Endo-atmospheric Defense Interceptor (HEDI) upgrade to Brilliant Pebbles and follow-up Ground-Based Free Electron Laser + Combat Mirror Space-Based Laser and Orbital Particle Beam technologies for ICBM interception:"
X Link @ToughSf 2025-10-06T19:00Z 29.5K followers, 6628 engagements

"A space station with lots of rings Sadly I don't see any spinning nor thick enough to be habitat spaces so what purpose could they serve #space #art by Nana Dhebuadze"
X Link @ToughSf 2025-10-13T08:00Z 29.6K followers, 1272 engagements

"An obscure particle beam weapon program: Delphi. It used a laser to create a plasma channel through air then shoot a electron beam through it to help discriminate warheads from decoys. Refs:"
X Link @ToughSf 2025-10-13T15:00Z 29.6K followers, 5093 engagements

"The first US space station was Skylab: a repurposed Saturn IV-B tank an Apollo command module and a telescope already integrated on the ground all launched in a special shroud"
X Link @ToughSf 2025-10-11T15:00Z 29.6K followers, 8625 engagements

"The Boeing XB-39 Superfortress was a backup plan to use Allison V-3420-17 engines in case the original Wright R-3350 radial engines weren't ready on time. The Allisons were twin V-12s (W24) that produced 2100 horsepower"
X Link @ToughSf 2025-10-14T11:00Z 29.6K followers, 2311 engagements

"The ISV Aethera a 250m long antimatter-powered relativistic starship:"
X Link @ToughSf 2025-10-15T19:00Z 29.6K followers, 7642 engagements

"The dragon is dead. The DRACO nuclear thermal rocket program has been terminated by DARPA. Reasons cited: -SpaceX Starship will deliver so much propellant to LEO that fuel efficiency won't matter -Future nuclear-electric propulsion could be more promising"
X Link @ToughSf 2025-07-19T16:00Z 29.6K followers, 378.3K engagements

"A SpaceX Warship - based on a Starship with additional solar panels 20mm autocannons and 16x VLS cells. #space #art by 'Starlite-official'"
X Link @ToughSf 2025-05-01T09:00Z 29.6K followers, 10.4K engagements

"The @ElectraAero EL9 is a hybrid-power plane uses blown-lift wings to achieve STOL from a 45m runway and an onboard turbine to extend its range to 2000 km or XXX km with 1360 kg payload. It already has 2100 orders:"
X Link @ToughSf 2025-10-13T19:00Z 29.6K followers, 3666 engagements

"This is the JSDF of 2140: a semi-autonomous warship constructed on the moon and escorting spacecraft with a 180mm railgun and multiple VLS cells. Glowing hot radiator panels losing out to reflected sunlight is a nice touch. #space #art by "
X Link @ToughSf 2025-10-07T08:00Z 29.6K followers, 5110 engagements

"Another batch of 'Martian sketches' by Andrey Maximov featuring the International Mars Orbital Station in 2089. It has both solar panels and two nuclear reactors onboard. #space #art"
X Link @ToughSf 2025-10-06T08:00Z 29.6K followers, 6745 engagements

"Interesting description of a "Solar Photon Thruster" which is a variant on a solar sail with a second mirror to redirect light and therefore thrust in any direction: It's combined with a 'pole-sitting' statite concept"
X Link @ToughSf 2025-10-06T15:00Z 29.6K followers, 3461 engagements

"The USS Montgomery is an Independence-class Littoral Combat Ship with a trimaran design. Here it is firing a Longbow Hellfire missile from a VLS cell at a land target for the first time: Multiple were launched and they struck within a second of each other"
X Link @ToughSf 2025-10-06T11:00Z 29.6K followers, 3359 engagements

""Outer Space" by Sander van den Berg is a magical experience. The original is gone but the NASA version remains"
X Link @ToughSf 2025-10-10T11:00Z 29.6K followers, 4574 engagements

"The TPS-004 'GUNDIAL' tank featuring lots of reactive armor modules a huge gun in a circular turret and an additional twin-30mm turret on top. #art by PAN SPATIAL Aerospace Concept Design"
X Link @ToughSf 2025-10-08T08:00Z 29.6K followers, 3341 engagements

"Forward's interstellar laser-pushed lightsails: A XX GW beam for a X ton one-way probe to reach 0.11C then a XXX TW laser for a XXX ton sail that brakes in the target system with the help of a XX TW beam. A human round trip climbs to 75000 TW ()"
X Link @ToughSf 2025-10-12T15:00Z 29.6K followers, 7380 engagements

"Coherent beam combining of XXX laser beams: This is the essential technology that enables really high power lasers using only existing kW-scale fiber/diode lasers to reach 0.1-1 MW power levels. Theoretically it can be staged to XXX MW and beyond"
X Link @ToughSf 2025-10-10T15:00Z 29.6K followers, 12K engagements