Astronomers have discovered a black hole that existed just 770 million years after the Big Bang, already reaching 2 billion solar masses, which challenges our understanding of black hole formation because even at maximum theoretical growth rates, black holes require hundreds of millions of years to reach such massive sizes, suggesting either that black holes formed from unusually massive 'seed' black holes or that they can grow faster than current physics allows.
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This Black Hole Is Too Old for the Universe #space #astronomy #cosmosAdded:
This black hole was too old. [music] Black holes need time. Even at maximum growth, billions of solar masses take hundreds of millions of years.
>> [music] >> This one existed just 770 million years after the Big Bang, already 2 billion [music] times the sun's mass. It shouldn't have been possible. To reach that size, it would need continuous feeding from birth.
No pauses.
No limits. [music] But radiation pressure should slow that growth. That's the boundary.
So, either [music] it started from a massive seed, far larger than our models predict, born already heavy in a young universe, >> [music] >> or black holes can grow faster than physics allows, and we've underestimated how violent [music] the early universe was. And we still don't know which one is true. The math strains, [music] the timeline compresses. Something happened in the first billion years that we don't fully understand. If one black hole formed too early, [music] how many others are older than they should be?
Maybe the universe didn't start slowly.
[music] Maybe it began with something already ancient.
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