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Slamfu
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I was reading an article the other day about the second largest black hole found, something around 17 billion solar masses big, with an estimated event horizon 11 times the orbit of Neptune and it got me thinking. If all the matter generating the gravity lies in the singularity, how does that fact communicate itself thru the event horizon, where no communication can occur, to the area outside of the event horizon? Essentially, how does the outside universe know how much mass is contained in the singularity if there is no way for anything inside an event horizon to interact with anything outside of it?