The unified model of AGN suggests that quasars,Seyfert galaxies,and radio galaxies
A) are similar phenomena but viewed from different orientation angles.
B) are powered by similar mass accretion rates onto supermassive black holes.
C) are driven by violent mergers of two gas-rich spiral galaxies.
D) are unrelated,although they are all very luminous galaxies at radio wavelengths.
Correct Answer:
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