We know that black holes can collide and merge, but if they each have a singularity at the core, how can the two singularities merge and become one? Wouldn't the mere fact of a second singularity in range of another make it not a singularity?
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1Its best not to think of the singularity as a "thing" that is inside the black hole at a particular position. It is a point in spacetime (not a point in space), and it is a point that is always in the future. – James K Oct 11 '20 at 03:45
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This has been asked before but I'm not particularly convinced of the answer there. – Oct 11 '20 at 08:39
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4Does this answer your question? Do black hole singularities actually merge? – Jean-Marie Prival Oct 12 '20 at 08:53
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Hypothetically, Yes. Realistically, No. As James mentioned a singularity isn't a physical object but rather a point in space time. In theory a wormhole is just two singularities which combined.
Orangeman
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