Astronomers have detected oxygen in the most distant known galaxy, JADES-GS-z14-0, just 300 million years after the Big Bang. The discovery, made using the ALMA telescope, suggests galaxies formed and matured far more rapidly than previously believed.
JADES-GS-z14-0, discovered in 2024, is the farthest confirmed galaxy observed, with its light traveling 13.4 billion years to reach Earth. Scientists expected the early universe to lack heavy elements, but findings show this galaxy contains significantly more oxygen than anticipated, indicating rapid star formation and chemical enrichment.
The breakthrough, reported by two independent research teams, provides a more precise distance measurement of the galaxy and challenges conventional timelines of galaxy evolution. Scientists highlight the synergy between the ALMA telescope and the James Webb Space Telescope (JWST) in pushing the boundaries of early cosmic discoveries.
Experts say this finding could reshape our understanding of how galaxies formed and evolved in the universe’s infancy.
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