You Observe Two Galaxy Clusters, Cluster a and Cluster B

question 26

Multiple Choice

You observe two galaxy clusters, cluster A and cluster B.Both have the same radius, but cluster B's outer galaxies are orbiting the cluster with circular velocities that are twice that of cluster A's circular velocities.The mass of cluster B is

• A) 2 times cluster A's mass
• B) 4 times cluster A's mass.
• C) half of cluster A's mass.
• D) one-quarter of cluster A's mass.
• E) equal to cluster A's mass.

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Definitions:

Black Minister

A clergy member who is African American, typically involved in the Christian church, often playing a significant role in the African American community.

Geographic Movement

Refers to the migration or movement of people, goods, and ideas across different geographic locations.

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The conflict between the Thirteen American colonies and British government that led to the independence of the United States, occurring from 1775 to 1783.

Concrete Step

A specific, actionable measure taken to achieve a particular goal or to implement a plan.