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Quasars are...
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Areas with high activity in the centers of new galaxies
Gas Giant planets like Jupiter, but in other solar systems
Rocky planets like Earth or Mars, but in other solar systems
A pair of stars that are orbiting each other, so their spectrum keeps changing

Sagot :

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Answer:

A quasar is an extremely luminous active galactic nucleus, powered by a supermassive black hole, with mass ranging from millions to tens of billions of solar masses, surrounded by a gaseous accretion disc.

Explanation:

first!

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