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70 Ancient Dusty Galaxies at the Edge of the Universe Could Rewrite Cosmic History
Key Takeaways
- 48 astronomers from 14 countries identified 70 dusty galaxies from the universe's first billion years using JWST and ALMA
- The galaxies show surprising levels of metals and dust, suggesting multiple generations of stars had already lived and died
- They may represent the missing evolutionary link between bright early galaxies and dead quiescent ones
- Current cosmological models did not predict this level of chemical enrichment so early in cosmic history
- The findings were published in The Astrophysical Journal Letters on February 20, 2026
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DT Editorial Team··7 min read·via space.com