Gravity in black holes & singularities

Reply Sat 21 Jan, 2023 06:44 pm
I'm a novice. As I understand it black holes gravitationally attract and 'consume' matter. Some black holes are small (>8 x sun masses), and some are supermassive (>100,000 x sun masses). If black holes ultimately contract to a singularity, presumably each time an object is 'consumed' it 'contracts' down to the singularity. Does all the gravity in a black hole then emanate from the singularity? Can you have a supermassive singularity?
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Reply Sat 21 Jan, 2023 09:10 pm
According to General Relativity, the singularity has zero volume yet contains all the mass of the black hole. The appearance of a singularity in the solution may simply indicate the breakdown of the theory and it may be true that a theory which took quantum effects into account might not produce a singularity.
Reply Wed 25 Jan, 2023 07:09 pm
Thanks. So, all the mass is in there somewhere, but the singularity is, academically, a moot point.
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