The greatest variation in size, mass, and luminosity occurs in
A) globular clusters.
B) elliptical galaxies.
C) spiral and barred spiral galaxies.
D) type I vs type II irregulars.
E) Seyfert galaxies.
Question 2
What quantities does angular momentum depend upon?
A) mass and velocity
B) mass, velocity, and radius
C) force and radius
D) force, velocity, and radius
E) momentum and angular velocity