what is black hole ?
Answers
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.
Explanation:
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A black hole is a region of space from which nothing can escape. According to the general theory of relativity, it is the result of the curving of space time caused by a huge mass. Around a black hole there is a position of no return, called the event horizon.
What happens if a person goes into a black hole?
You might expect to get crushed, or maybe torn to pieces. But the reality is stranger than that. The instant you entered the black hole, reality would split in two. In one, you would be instantly incinerated, and in the other you would plunge on into the black hole utterly unharmed.
What kills you in a black hole?
Be afraid of the dark. Black holes, the insatiable monsters of the universe, are impossible to kill with any of the weapons in our grasp. The only thing that can hasten a black hole's demise is a cable made of cosmic strings, a hypothetical material predicted by string theory.