When Quasars "Shine" (In Visible Light and Other Kinds of Radiation)

question 19

Multiple Choice

When quasars "shine" (in visible light and other kinds of radiation) with a lot of energy, where (what location) does this huge amount of energy come from?

• A) from the outer spiral arms of the galaxy in which the quasar is located
• B) from inside the event horizon of a supermassive black hole
• C) from supernova explosions (a whole bunch of them all at once) in the galaxy in which the quasar is located
• D) from an accretion disk around a supermassive black hole
• E) from a much more distant object that happens to lie behind the quasar and fools us into thinking the quasar is shining

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