Question

How strong is a black holes gravity? (you will get a lot on notifications if you answer)

Answer 1

Answer:

they are mysteries

Explanation:

there is no good answer that I know of because we haven't studied that far out in space

Answer 2

Answer:

A black hole is a region of spacetime where gravity is so strong that nothing—no particles or even electromagnetic radiation such as light—can escape from it. The theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole.