Science Memes

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perspective (mander.xyz)

submitted 4 months ago by [email protected] to c/[email protected]

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[–] [email protected] 6 points 4 months ago (2 children)

Why doesn’t the big star simply eat the smaller stars?

[–] xenoclast 2 points 4 months ago* (last edited 4 months ago)

They do, but space is very big, and gravity is relatively weak in comparison.

The strength of gravity drops off exponentially with distance. For a star to consume another star they need to be really close.

This is made even more difficult when you consider they're all moving through empty space really really fast.

[–] [email protected] 1 points 4 months ago* (last edited 4 months ago)

Look up "the great attractor".

The "big crunch" is the (probably incorrect) hypothesis that there's enough mass to pull the universe into a single black hole - where everything is eaten by black holes, even all the black holes (nothing to do with the great attractor). The big bang in reverse