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Originally Posted by OccultHawk
I think there’s two parts to answering that. 1) The language being used to describe the phenomenon is confusing. Black holes don’t have infinite gravitational pull or density. It’s just approaching infinite. And nothing doesn’t really mean nothing it just means nothing that we know of. 2) The rate of expansion of the universe isn’t beholden to the laws of physics because it’s not happening in space. It’s not happening inside the universe; it’s happening to the universe.
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This is interesting. On the first point: but all matter that we do know of could not have escaped a black hole. You can also think of a black hole as a spacetime that's bent in such a way that no possible trajectories in spacetime lead out, which seems even more forbidding. On your second point: I think that might actually be the answer to all this, it's a clever way of thinking about it