Chapter 24

Describe how we can account for the superluminal motions of quasars without requiring components of quasars that are actually moving apart at speeds greater than the speed of light

Describe the differences between Seyfert 1 and Seyfert 2 galaxies.

How could a radio galaxy be observed to have two radio-emitting lobes but only a single jet pointing at one of the lobes?

How do we know that if black holes power quasars, then those black holes must be very massive?