We suspect that quasars are the active centers of galaxies because
A) quasar fuzz produces stellar spectra.
B) a few quasars have large red shifts.
C) some quasars fluctuate rapidly.
D) all of the above
E) none of the above
Correct Answer:
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Q12: If the red shifts of quasars arise
Q13: Seyfert galaxies
A) are more common in close
Q14: The hot gas of a radio lobe
Q15: A BL Lac object is the same
Q16: The radio lobes that flank some radio
Q18: Images of the centers of active galaxies
Q19: A(n)_ is observed if our line of
Q20: The disks which have been observed in
Q21: When we observe quasars to have large
Q67: How are astronomers able to determine that
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