Question

what's a black hole?

Answer 1

a region of space which can attract anything

Answer 2

It known as black hole as it looks black spherical hole in space . It is capable of attraction and consuming everything attached near it due to gravitational attraction.
It have a large event horizon around it . The things in event horizon are moving in a high speed.
They are formed when a star collapse due to its own gravitational attraction inside it.


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