Figure 17-12 (for the following questions) The accompanying graph shows that quasars formed ____.
A) starting after the formation of the Universe and peaking long ago, with almost none occurring today
B) just after the formation of the Universe, dropping steadily to none occurring today
C) steadily through time from the early Universe until today
D) after the formation of the Universe, with more and more occurring over time
E) long after the formation of the Universe, peaking before the present day
Correct Answer:
Verified
Q41: Different types of active galaxies are caused
Q42: In the unified model, an accretion disk
Q43: Q44: Active galaxies are the result of galactic Q45: What is the cause of the lobes Q47: Active galaxies were first discovered by observations Q48: Quasars are common in the early Universe Q49: Quasars _. Q50: A spiral galaxy with an extremely luminous, Q51: Some active radio galaxies exhibit _ of
A) are common at all ages
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