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Astronomers Discover Ancient Quasars Challenging Black Hole Formation Theories

9 Temmuz 2026Science Daily

Astronomers have discovered 31 of the oldest known quasars, including the two earliest ever detected, dating back to a mere 670 million years after the Big Bang. These quasars are powered by supermassive black holes that are billions of times more massive than the Sun.
Their existence raises significant questions about the formation and growth of such massive black holes in the early universe.
Quasars are among the brightest and most distant objects in the universe, serving as important indicators of cosmic history. The existence of these ancient quasars challenges existing models of black hole formation, which typically suggest a longer timeline for the growth of such massive entities.
The discovery of these ancient quasars prompts a reevaluation of current theories regarding black hole formation. The rapid emergence of supermassive black holes so soon after the Big Bang suggests that our understanding of cosmic evolution may need to be revised.

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