Question

question => what is black hole?

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Answer 1

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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.

Answer 2

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given question ❓❓⤵️

what is black hole?

question asked ❓⤵️✔️

about black hole.❓

answer⤵️

A black hole is an astronomical object with a gravitational pull so strong that nothing, not even light, can escape it. ... A stellar-mass black hole forms when a star with more than 20 solar masses exhausts the nuclear fuel in its core and collapses under its own weight.

more to know ⤵️✔️

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.

Escape velocity.⤵️

The event horizon is the "point of no return" around the black hole. It is not a physical surface, but a sphere surrounding the black hole that marks where the escape velocity is equal to the speed of light. Its radius is the Schwarzschild radius mentioned earlier.

Edge⤵️

The edge of a black hole, its event horizon, is the point of no return. At the event horizon, light is drawn in to a black hole, never to escape. And nothing is faster than light.

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