Astronomy Research

These ancient quasars shouldn't exist so soon after the Big Bang

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July 10, 2026 • 77 views
Original source: Science Daily
These ancient quasars shouldn't exist so soon after the Big Bang

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 incred…

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