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submitted 4 months ago* (last edited 4 months ago) by Nikls94@lemmy.world to c/asklemmy@lemmy.ml

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Close its mouth at the speed of light?

Close its mouth at the speed of sound?

Close its mouth faster than the speed of light?

Also… wouldn’t it be heavier than the galaxy itself? So it would create its own gravitational pull that’s like extremely strong?

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[–] CaptainBlagbird@lemmy.world 2 points 4 months ago* (last edited 4 months ago)

The speed of light is pretty slow at that scale, it would take thousands of years until the mouth is closed.
The speed of sound (in air?) is much much slower than the speed of light. See above.
How fast? I guess die, because that would cause a whole lot of other problems.
Yeah, the gravity would pull the galaxy to it, but it would also take quite some time (one normal galactic year is about 225 million earth years, we wouldn't instantly be pulled with an immense acceleration, we would probably just continue our orbit in a slightly different path or reverse, which would have it's effects but not immediate in our scale, right?)