Question

Explain how black holes are formed.

Answer 1

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Answer 2

Answer:

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The most well-understood black holes are created when a massive star reaches the end of its life and implodes, collapsing in on itself.

A black hole takes up zero space, but does have mass — originally, most of the mass that used to be a star. And black holes get “bigger” (technically, more massive) as they consume matter near them. The bigger they are, the larger a zone of “no return” they have, where anything entering their territory is irrevocably lost to the black hole. This point of no return is called the event horizon.