If the red shifts of quasars arise from the expansion of the universe,then
A) a quasar must be very small.
B) a quasar must be within the Local Group.
C) a quasar must be single star with an extremely large mass.
D) a quasar must be moving toward the earth at a large radial velocity.
E) a quasar must be very luminous.
Correct Answer:
Verified
Q7: The tiny point sources of many quasars
Q9: Head-tail galaxies are
A) found most often in
Q10: The hot spots in the double-lobed radio
Q11: Recent high resolution radio observations show that
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
Q17: We suspect that quasars are the active
Q56: The central galaxy in a double-lobed radio
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