JOURNAL ARTICLE

Earliest galaxies challenge ideas about star birth in infant universe.

  • Published In: Sciencemag.org, 2023. P. N.PAG 1 of 3

  • Database: Applied Science & Technology Source Ultimate 2 of 3

  • Authored By: Clery, Daniel 3 of 3

Abstract

JWST astronomers have found more than 15 galaxies shining within the first half-billion years of the 13.7-billion-year-old universe - far too many according to theorists' models of galaxy formation. Charlotte Mason, an astrophysicist at the University of Copenhagen, had modest expectations 9 months ago, when she and her collaborators began to use JWST, the giant new space telescope, to look back in time for the universe's first galaxies. JWST has also spied a galaxy without signs of star formation 700 million years after the big bang, which Ferrara suggests could be in a quiet phase between star-forming bursts. [Extracted from the article]

Additional Information

  • Source:Sciencemag.org. 2023/03, pN.PAG
  • Document Type:Article
  • Subject Area:History
  • Publication Date:2023
  • Accession Number:162753596
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