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Will all the black holes in the universe ultimately become one massive big hole so that everything is sucked in and all that remains is one super massive black hole from which nothing can escape therefore the end of physics as we know it?

Geoffrey51 8 Apr 11
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There is one in the middle of our galaxy but I think we are safe for a bit.What interests me is how come we managed to photograph it end on ?. Is a black hole a tube where everything is sucked in and blown out the other end possibly in to another universe or does it look like this from every angle and is more like a football which sucks in matter from every direction and squeezes it until there is no matter left ?

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Nope.

1of5 Level 8 Apr 11, 2019

How come if they are all consuming matter eaters? What is the point at which they will stop absorbing everything?

@Geoffrey51 expansion of the universe will keep them far enough apart so they won't merge. Hawking radiation will eventually eliminate black holes from existence.

@1of5 okay that’s an interesting point as I don’t know of Hawking radiation.

@Geoffrey51 we're talking trillions of years here, and it's just speculation, and there probably will be mergers of immense black holes.

No one really knows how it will end, though. Rampant expansion could tear matter apart before we even get that far.

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This Wiki page has a list of a number of theoretical ends for the universe. [en.wikipedia.org]

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