I see, hear, and read about black holes and their consumption power often. They grow as they consume. Eventually, as they keep growing and consuming, wouldn’t they combine and continue the process until they become so large as to devour everything in existence?
In: Physics
We’re not sure because we don’t know everything.
We know that space is expanding while gravity is pulling everything together. If the universe keeps acting like it does today, where the expansion outpaces gravity pulling things together, everything will get pulled apart (or, at least large objects like galaxy groups).
If the expansion of the universe slows, though, everything will get pulled together into a single point.
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