Question

What is black hole? ​

Answer 1

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• A black hole is a place in space where gravity pulls so much that even light can not get out.
• The gravity is so strong because matter has been squeezed into a tiny space.
• This can happen when a star is dying.
• Because no light can get out, people can't see black holes.
• They are invisible.

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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.

Hope it helps ☺️