JOURNAL ARTICLE

We've Now Discovered the Four Oldest Galaxies Ever Observed.

  • Published In: Time.com, 2023. P. 16 1 of 3

  • Database: Academic Search Ultimate 2 of 3

  • Authored By: Kluger, Jeffrey 3 of 3

Abstract

The article discusses the discovery of the four oldest galaxies ever observed, dating back to just 320 million years after the Big Bang, as part of the research conducted using the James Webb Space Telescope (JWST). An international team of 80 astronomers utilized JWST's Near-Infrared Camera (NIRCam) and Near Infrared Spectrograph (NIRSpec) to identify these galaxies in the Hubble Space Telescope's Ultra Deep Field, confirming their ancient nature through their chemical composition, which is primarily hydrogen and helium. While these findings mark a significant achievement in understanding the early universe, the researchers plan to continue their observations to search for even older galaxies. [Extracted from the article]

Additional Information

  • Source:Time.com. 2023/04, p16
  • Document Type:Article
  • Subject Area:Biography
  • Publication Date:2023
  • ISSN:2476-2679
  • Accession Number:162934618
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