Multiple Choice
A radio galaxy whose lobes are swept back as if forming a tail probably indicates
A) the galaxy is isolated, not part of a cluster.
B) evidence for intergalactic matter.
C) the galaxy is moving towards Earth.
D) the galaxy is about to evolve into a spiral.
E) there must be another galaxy nearby.
Correct Answer:
Verified
Correct Answer:
Verified
Q14: Describe the large- scale structure revealed by
Q15: The absorption lines we find in quasar
Q16: The absorption or accretion of smaller galaxies
Q17: If the merger theory is correct, the
Q18: The Andromeda galaxy will eventually collide with
Q20: The largest presently known redshifts of quasars
Q21: The more its central black hole was
Q22: Which of these is the next evolutionary
Q23: Supermassive galaxies are found at the core
Q24: Using binary galaxies to find their masses