why do we assume the core of a black hole has a singularity in it? how does it make sense that something can be infinitely dense, i.e. have 0 volume? i could understand it if a black hole was an object of finite but extreme density—then its escape velocity would still be stronger than the speed of light, but the laws of physics would still make sense at the core because space would not have infinite curvature there. but why do people say black holes have INFINITE density?
the best thing about this vid was definitely the piano boob playing! and also the clapping, very fun!
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