Deck 77: Galaxy Clustering

Question 1

Galaxy collisions in rich clusters result in this type of galaxy:

A) giant spiral galaxy.
B) giant barred spiral galaxy.
C) giant elliptical galaxy.
D) giant irregular galaxy.

Answer 1

giant elliptical galaxy.

Question 2

Our local group is composed of about ____ members.

A) 20
B) 30
C) 40
D) 50

Answer 2

40

Question 3

Galaxy clusters with few members are known as _____ clusters.

A) globular
B) open
C) scattered
D) poor

Answer 3

poor

Question 4

An assemblage of many superclusters that are pulling on our supercluster has been called the
___________.

A) great wall
B) great attractor
C) great void
D) great dark matter

Question 5

Large empty spaces in the universe are called _____.

Question 6

Many collisions in the interior of large clusters of galaxies will create a ____________________.

Question 7

The Magellanic Clouds are part of our local group.

Question 8

Studying variations in Hubble's Law reveals large structure close by us.