AGNs Appear to Be Powered By

Q35: The Hubble diagram is a way of

Q36: Elliptical galaxies contain hot gas that is

Q38: Galaxies that are classified as quasars were

Q39: Assume that when a supermassive black

Q41: How do we measure directly that AGNs

Q42: If you observed a gas cloud

Q43: If the rotational speed of the

Q44: Today in our local universe, approximately 30

Q45: We interpret the fact that we saw

Q76: What is plotted on a rotation curve,