The Milky Way is part of
I.a poor cluster.
II.a rich cluster.
III.the Virgo Cluster.
IV.the Local Group.
A)I and III
B)I and IV
C)II and III
D)II and IV
E)just III

Question

The Milky Way is part of 
I.a poor cluster.
II.a rich cluster.
III.the Virgo Cluster.
IV.the Local Group.
A)I and III
B)I and IV
C)II and III
D)II and IV
E)just III

Quizplus · Accepted Answer

The Milky Way is not part of a rich cluster like choice II and it is not part of the Virgo Cluster as a whole but rather part of the Local Group, which includes the Andromeda Galaxy and smaller galaxies. Therefore, choices I and III are incorrect. The correct choices are I and IV, as the Milky Way is part of a poor cluster called the Local Group.

The Milky Way Is Part of