- Category
- Science
- Published
- Tuesday, July 7, 2026 at 6:50 AM
- Publisher
-
ScienceDaily
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These ancient quasars shouldn't exist so soon after the Big Bang
Quick Summary
Astronomers have uncovered 31 of the oldest known quasars, including the two earliest ever detected, shining from a time when the universe was only about 670 million years old. Powered by supermassive black holes billions of times the Sun’s mass, these incredibly bright objects challenge scientists’ understanding of how such enormous black holes formed so quickly after the Big Bang.
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