Elliptical Galaxies Have the Shapes They Do Because All the Stars

Q2: More luminous giant galaxies tend to have

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

Q23: What is the connection between active galaxies

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

Q29: Spiral structure can be triggered in a