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Shouldn't black holes exert the same gravitational force as an object of similar mass but lower density?
If the earth got shrunk into the size of a peanut, it would turn into a black hole, which would have a higher density but same mass. Since the center of mass of both bodies would be the same, the ...
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How does one determine black hole mass based on the curvature of a photon?
How much mass would a black hole need to create a Schwarzschild radius that would trap a photon, whereby the photon would (to an outside observer) be continually curved 0.004km/s at the horizon?
(...
