we learn that the entire observable universe – the area that sits within the “Hubble radius” is also on that line. In other words, if a black hole was as large as the universe we can see, it would have the same density as the universe.
Not saying any of this makes sense, but you seem to be working with different assumptions.
Another narrative could be: As mass gets added to the black hole, it (the universe) grows.
From the article:
Not saying any of this makes sense, but you seem to be working with different assumptions.
Another narrative could be: As mass gets added to the black hole, it (the universe) grows.
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There’s also an event horizon where space is expanding away from us rapidly enough that we can never get that far no matter how long we travel.
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