We Know AGN Are About the Size of Our Solar

Q18: Spiral structure<br>A) rotates at the same speed

Q20: Quasars were first discovered in which region

Q21: We interpret the fact that we saw

Q25: In spiral galaxies,the size of the central

Q28: AGNs appear to be powered by<br>A) supermassive

Q58: Give three examples of types of active

Q71: How do astronomers know that AGNs are

Q76: Seyfert galaxies are unique because they have

Q80: What is the difference between a Seyfert

Q89: How do the current star-formation rates of