Question

What is nebula and the black hole​

Answer 1

Answer:

nebula is a place where stars are born where there is high pressure and temperature and dust and gas. But black hole is a star that went out of fuel and collapse into its own core and has extreme mass and gravity.

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Answer 2

The Orion Nebula Cluster has long been known as peculiar. Its stars move at a rapid speed, as if the whole cluster were flying apart. ... At some point, this massive star became unstable and imploded into a black hole, with a mass about 200 times larger than the sun.

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