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First Billion-Year-Old Supernova
December 17 , 2025
15 hrs 0 min
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- The James Webb Space Telescope (JWST) detected the earliest recorded supernova in the universe.
- The supernova occurred within the universe’s first billion years after the Big Bang.
- Evidence indicates a core-collapse explosion of a massive, low-metallicity star.
- Early supernovae supplied heavy elements essential for planets and complex chemistry.
- The event occurred in a dense, rapidly star-forming galaxy, providing insights into early galaxy evolution.
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