Section 15 P3 Clusters of Galaxies

Question 1

1. Realize a “_________” means a group of galaxies, not something else.

Answer 1

• galaxy cluster

Question 2

Recognize galaxies can come in groups of a few galaxies up to many thousands AKA

Answer 2

that is a “rich” cluster

Question 3

If you are given the definition of a

• galaxy
• the Milky Way
• the Local Group
• a cluster of galaxies, or supercluster

match definition

Answer 3

definitions

Question 4

Agree that ____ are far more common than large ones and that the Milky Way is a ____ one.

Answer 4

• small galaxies

- large