Question

What is a black hole
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Answer 1

Answer:

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.

Answer 2

Answer:

the black hole is a region how space time where gravity is so strong that nothing no particles or even e electromagnetic radiation such as light can escape from it the theory of a general relativity predict that are sufficiently compact mass can deform space time to form a black hole.