Oldest Known Quasar Pair Found: Two Black Holes That Shouldn't Exist at Cosmic Dawn
· techtimes.com · popularity 17/100 · 0 similar stories today · Space & Astronomy (Space & Astronomy)
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Summary
Oldest known compact quasar pair Napowawaeenakaulua contains two supermassive black holes totaling nearly 2 billion solar masses, found 900 million years after the Big Bang. Discovered using JWST and Gemini North, the finding deepens the black hole seeding problem and challenges standard cosmological models.
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