Physics puzzle - say you had a ball 10 cm in diameter. Is there a certain density at which point the ball would plummet through the Earth until it reached the center?
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Replying to @octonion
Why is this a puzzle? Seems like a straightforward if complicated and tedious calculation. I’d guess it would happen at near neutron star density.
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Would the ball be falling, or would it just absorb the earth into itself at that density?
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Replying to @rohit_grover_pi @octonion
That’s the tedious calculation part 
10:42 PM - 22 Nov 2020
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