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NASA’s Webb caught a star that blew up when the universe was just 730 million years old
The James Webb Space Telescope has identified the earliest known supernova, a star that exploded when the universe was roughly 730 million years old. The discovery traces back to March 14, 2025, when ...
NASA scientists may have found the “ghost” of an exploded star near the Milky Way’s black hole. The ancient supernova remnant could be still expanding after 1,700 years.
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