Nothing escapes BHs, gravitons mediate gravity, so why do BHs gravitate?

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How does gravity escape a black hole?

Nothing escapes black holes, gravitons mediate gravity, so why do black holes gravitate?

My question is, "where is the hole (no pun intended!) in the above understanding?"

score 2 · Accepted Answer · answered Dec 05 '12 at 15:11

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It is always virtual particles that "mediate" the interactions, not real ones. You imply real gravitons, not virtual ones; this is a hole in your reasoning.

answered Dec 05 '12 at 15:11

Vladimir Kalitvianski

14,125

Nothing escapes BHs, gravitons mediate gravity, so why do BHs gravitate?

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