Question

I want a real answer what is in inside the black hole

Answer 1

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. We cannot see what is inside the event horizon of a black hole because light from there can never reach us. Even if we could (manage to) send a robotic probe into the black hole, it could never communicate back to us. From the outside, you can't tell what is inside a black hole apart from its mass and the rotation.
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