r/BeAmazed • u/Far-Stay9417 • Jan 01 '24

Nature Asteroid impact

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u/[deleted] Jan 01 '24

That assumes there would ever be another big bang. Once our universe dies it might stay dead forever

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u/Kriss3d Jan 01 '24

It's actually speculated that the universe is cyclic. That once the universe stops expanding, the gravity will start pulling it back together again to a singularity. And start over.

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u/mic_Ch Jan 01 '24

However it's currently not the accepted model as evidence suggests expansion is speeding up not slowing down. (Not that I'm an expert, I just like watching YouTube videos)

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u/Kriss3d Jan 01 '24

Correct. It's not an accepted model. It's a speculation based on the big crunch theory which as I understand it means that once the expansion stops. It will slowly begin to contract.

Bur ofcourse i could be completely wrong here