Question

What is a black hole? ...

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Answer 1

Explanation:

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......

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Answer 2

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Black hole :

A black hole is a region of spacetime where the gravity is too strong such no particles and even electro magnetic radiation such as light can't escape from it...

This is due to the matter has been squeezed into a tiny place.

This happens when a stars starts to dye..

Mostly black holes, can't been through telescope because no light comes out from it.

When two black holes combine they form a massive black hole.

Only certain telescope which have special equipment can help us to see the black hole

Black holes can be small or large .

According to scientific research it is been proved that if the black holes are small then they will of the size which is equal to the atomic size .If they are large they will be of the size of big mountains..