Multiple Choice
Relatively rapid fluctuations (within 1 day) in the electromagnetic output of quasars is an indication of:
A) objects moving in front of them from our point of view.
B) the rapid rotation of the sources.
C) the relatively small size of the emitting regions.
D) their relative closeness to the Milky Way.
Correct Answer:
Verified
Correct Answer:
Verified
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