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   Corey S Powell (coreyspowell@mastodon.social)'s status on Tuesday, 12-Sep-2023 09:07:42 JST Corey S Powell

   New observations boost the case that alien world K2-18b is a "Hycean exoplanet," a warm water world with a thick atmosphere. And there *might* be a hint of something even more exciting--a chemical sign of life.
   #science #JWST #life
   https://webbtelescope.org/contents/news-releases/2023/news-2023-139

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   Space Telescope Science Inst. (spacetelescope@astrodon.social)'s status on Tuesday, 12-Sep-2023 02:55:43 JST Space Telescope Science Inst.

   Scientists using #NASAWebb have found an abundance of methane and carbon dioxide in the exoplanet K2-18 b’s atmosphere. With a shortage of ammonia, these results are consistent with the presence of an ocean underneath a hydrogen-rich atmosphere: https://webbtelescope.pub/3r1yWHa #JWST #astronomy