this post was submitted on 27 Jun 2024
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JWST Detects the Earliest, Most Distant Galaxy in the Known Universe—And It’s Super Weird (www.scientificamerican.com)
submitted 4 months ago* (last edited 4 months ago) by ekZepp@lemmy.world to c/space@lemmy.world
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Summ:

  • The James Webb Space Telescope (JWST) has discovered the most distant galaxy ever confirmed, named JADES-GS-z14-0, which appears as it existed just 290 million years after the Big Bang.

  • The discovery of this surprisingly luminous and massive early galaxy challenges theories about how galaxies formed in the cosmic dawn

  • JWST has been repeatedly breaking its own records for the most distant galaxies since beginning operations in 2022

more about:

https://www.bbc.com/news/articles/cjeenyw8rd2o

https://webbtelescope.org/contents/early-highlights/nasas-james-webb-space-telescope-finds-most-distant-known-galaxy

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[–] MonkderDritte@feddit.de 1 points 4 months ago

Why? Earlier galaxies had often bigger stars and supergiants & co. don't live long but fuse to oxygen too, no?