NASA’s James Webb Space Telescope Finds Most Distant Known Galaxy (blogs.nasa.gov)

submitted 2 months ago by neme@lemm.ee to c/astronomy@mander.xyz

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[-] threelonmusketeers@sh.itjust.works 1 points 2 months ago

in the first year of observations as part of the JWST Advanced Deep Extragalactic Survey (JADES), we found many hundreds of candidate galaxies from the first 650 million years after the big bang. In early 2023, we discovered a galaxy in our data that had strong evidence of being above a redshift of 14, which was very exciting, but there were some properties of the source that made us wary

In January 2024, NIRSpec observed this galaxy, JADES-GS-z14-0, for almost ten hours, and when the spectrum was first processed, there was unambiguous evidence that the galaxy was indeed at a redshift of 14.32, shattering the previous most-distant galaxy record

JWST is awesome.

this post was submitted on 30 May 2024

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