Multiple Choice
Seyfert galaxies are
A) elliptical galaxies with extremely bright nuclei.
B) supergiant elliptical galaxies that are periodically disturbed by supernova explosions within them.
C) spiral galaxies with extremely active cores.
D) active galaxies that shine mainly by radiation from two relatively widely spaced radio lobes.
Correct Answer:
Verified
Correct Answer:
Verified
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