Which of the Following Is Not True of Quasars

question 10

Multiple Choice

Which of the following is not true of quasars?

• A)The light produced by quasars comes from an accretion disk surrounding a supermassive black hole.
• B)Quasars were more common in the past.
• C)Some quasars are more than a thousand times more luminous than the Milky Way.
• D)Some quasars can change their brightness on the timescale of hours.
• E)Quasars are powered by the intense production of large numbers of stars that can only be sustained for a relatively short time.

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