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JWST Detects the Earliest, Most Distant Galaxy in the Known Universe—And It’s Super Weird (www.scientificamerican.com)

submitted 10 months ago* (last edited 10 months ago) by [email protected] to c/[email protected]

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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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[–] [email protected] 2 points 10 months ago (1 children)

“A redshift of one corresponds to a distance of more than 10 billion light-years. JWST’s studies showed that JADES-GS-z14-0 has a redshift of 14.32, the highest ever recorded.”

Wow!

“Usually gases like oxygen show up only after large groups of stars have lived their lives and died in supernova explosions,” Hainline says. “So seeing oxygen in a galaxy this young is like if you are an anthropologist and you find an enormous, ancient city that has evidence of iPhones.”

That just boggles the mind!

Can’t wait to get more data on this wee, spry, bizarre find.

[–] [email protected] 1 points 10 months ago (1 children)

It is an entire, whole ass galaxy. I do not think it fits any definition of wee.

[–] [email protected] 1 points 10 months ago

Ha ha ha!

Well…

We both saw the photo in the article. It’s a big photo, and they had to enlarge the teeny tiny spot this galaxy was in, then blow it up and actually add an arrow to point it out.

Seems pretty wee to me!

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