Quasar is a distant, extremely luminous active galactic nucleus powered by a supermassive black hole, emitting enormous energy across the electromagnetic spectrum. It is among the brightest objects observed in the universe, often outshining its host galaxy. The term combines 'quasi-stellar' originally describing its star-like appearance with 'source' of energy.
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0:53Null
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0:56Omega
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0:58Omicron
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1:04Permeability
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0:56Phase
How to Pronounce Phase
1:05Phi
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0:55Planck
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0:54Psi
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0:56Quark
How to Pronounce Quark
0:58Quasar
How to Pronounce Quasar
