Q: If nothing can escape a black hole’s gravity, then how does the gravity itself escape?

Q: If nothing can escape a black hole’s gravity, then how does the gravity itself escape?

But if gravity is “emitted” by black holes, then how does that “gravity signal” get out? The short answer is that gravity isn’t “emitted” by matter. It’s worth stepping back and considering where our understanding of black holes, and where all of our predictions about their behavior, comes from. Ultimately our understanding of black holes, as well as all of our predictions for their bizarre behavior, stems from the math we use to describe them. The extremely short answer to this question is: the math says nothing can escape, and that the gravity doesn’t “escape” so much as it “persists”.

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