The energy output per second of a typical quasar is equal to that emitted by the Sun in 200 years. So, if the luminosity of the Sun is L, what is the luminosity of a typical quasar?
A) 3.2 * 107 L
B) 6.3 * 109 L
C) 1.9 *1011 L
D) 5.3*1012 L
Correct Answer:
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