Q:Quasar Lifetime
A quasar is thought to be an extremely energetic phase in the evolution of certain galaxies during which large amounts of gas flow into a central supermassive black hole. Approximately how long does the quasar phase last?
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Chandra X-ray Center, Operated for NASA by the Smithsonian Astrophysical Observatory This site was developed with funding from NASA under Contract NAS8-03060.
13.1%
17.8%
41.3%
27.7%
