Question

write some note about quasar​

Answer 1

Explanation:

Shining so brightly that they eclipse the ancient galaxies that contain them, quasars are distant objects powered by black holes a billion times as massive as our sun.Astronomers called them "quasi-stellar radio sources," or "quasars," because the signals came from one place, like a star.

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Answer 2

~Quasars or quasi-stellar radio sources are the most energetic and distant active galactic nuclei (AGN). ... Scientists now agree that a quasar is a compact region in the center of a massive galaxy surrounding a central supermassive black hole. Its size is 10–10,000 times the Schwarzschild radius of the black hole.~