What is a quasar? please help me fast. I am waiting for clicking the follow button for the best and accurate answer.
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A quasar is the bright center of a galaxy, believed to be powered by a supermassive black hole.
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A quasar is the bright center of a galaxy, believed to be powered by a supermassive black hole. The word "quasar" is derived from quasi-stellar radio source, because this type of object was first identified as a kind of radio source. Quasars also are called quasi-stellar objects (QSOs).
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