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World and Science @WorldAndScience on x 2.6M followers
Created: 2025-07-20 22:32:01 UTC
A vast cosmic sea of luminous hydrogen gas, intermingled with traces of elements like oxygen and sulphur
Known as M17—the Swan or Omega Nebula—this stellar nursery lies XXXXX light-years from Earth.
Credit: NASA, ESA and J. Hester (ASU)
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Related Topics swan lightyears