Multiple Choice
A radio galaxy whose lobes are swept back as if forming a tail probably indicates that:
A) this is evidence for intergalactic matter.
B) the galaxy is about to evolve into a spiral.
C) the galaxy is isolated, not part of a cluster.
D) the galaxy is moving towards Earth.
E) there must be another galaxy nearby.
Correct Answer:
Verified
Correct Answer:
Verified
Q23: A large cluster's mass can be over
Q24: The last quasar probably died out a
Q25: Collisions between galaxies:<br>A)are much rarer than collisions
Q26: Dark matter does not affect galaxy collisions.
Q27: The pregalactic blobs had masses similar to:<br>A)the
Q29: It is now believed the majority of
Q30: Gravity lensing lets us map the distribution
Q31: The _ phenomenon is an extremely energetic
Q32: How can some mergers activate spirals, and
Q33: A galaxy that was once a quasar