Multiple Choice
The Virgo cluster
A) is the galactic cluster that contains the Milky Way.
B) is the oldest known cluster of galaxies.
C) is located at the center of the universe.
D) contains mostly spiral galaxies and very few elliptical galaxies.
E) is a rich cluster and the closest cluster of galaxies outside of the Local Group.
Correct Answer:

Verified
Correct Answer:
Verified
Q141: In the unified model of active galactic
Q142: Double-lobed radio galaxies appear to be emitting
Q143: The above visual wavelength image suggests that
Q144: The hydrogen Balmer line Hβ has a
Q145: The fact that many radio lobes emit
Q146: Astronomers who discovered quasars found that they
Q147: Seyfert galaxies<br>A)are more common in close pairs
Q148: Why should we expect quasars to be
Q150: What observational evidence do we have that
Q151: Due to the extremely rapid orbital velocities