What Is the Connection Between Active Galaxies and Galactic Mergers

Q2: More luminous giant galaxies tend to have

Q18: Any asymmetry in the gravity field of

Q19: Astronomers have evidence that all giant galaxies

Q20: Although elliptical and irregular galaxies have been

Q21: How have astronomers searched for evidence of

Q22: In most galaxies, the amount of dark

Q24: Elliptical galaxies have the shapes they do

Q26: Approximately _ of spiral galaxies are barred.<br>A)

Q27: If elliptical galaxies do not have cold

Q28: Active star formation does not occur in