Question

1.What is black hole?
2.Which image I should take for my dp.

Answer 1

region of space having a gravitational field so intense that no matter or radiation can escape.

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Answer 2

A black hole is a region of spacetime exhibiting such strong gravitational effects that nothing—not even particles and electromagnetic radiation such as light—can escape from inside it. The theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole.