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The New, Farthest Galaxy Has Been Found by JWST, only 280 Million Years After the Big Bang

  • Scientists have observed light from MoM-z14, the most remote galaxy identified to date, existing just 280 million years subsequent to the Big Bang, at a redshift of z = 14.44.
  • This breakthrough came after JWST began advanced observations in July 2022, which uncovered a surprisingly large number of luminous galaxies located at distances corresponding to redshifts above 10.
  • MoM-Z14 is compact, about 500 light-years across, with a mass around 100 million Suns and shows strong nitrogen emission and recent bursty star formation.
  • Researchers explained MoM-z14's brightness through optical overperformance, bursty star formation, AGN enhancement, and improved simulations, calling it a “cosmic miracle.”
  • The finding challenges previous galaxy formation models and indicates JWST will further expand the cosmic frontier by revealing even earlier galaxies and star formation processes.
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NewScientist broke the news in Baltimore, United States on Tuesday, May 20, 2025.
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