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Questions regarding points of extremely high mass density, which creates an extremely strong gravitational field from which light cannot escape.
4
votes
Does matter accumulate just outside the event horizon of a black hole?
As I understand it, the presence of an event horizon (EH) from gravitational collapse is a case in which GR violates local causality in the outer (w.r.t. EH) universe. By Birkhoff theorem the EH can o …