If a Galaxy Is a Member of a Large Cluster

question 15

Multiple Choice

If a galaxy is a member of a large cluster of galaxies, like the Coma cluster, the galaxy would have a typical velocity of 1,000 km/s. If the cluster is 10 Mpc in diameter, how long would it take the galaxy to cross from one side of the cluster to another?

• A) 10,000 years
• B) 1 million years
• C) 10 million years
• D) 100 million years
• E) 10 billion years

---

Definitions:

Job Interview

A job interview is a formal conversation between a job applicant and a representative of a company or organization aimed at evaluating the applicant’s suitability for a position.

Demarcate

To set the boundaries or limits of; to distinguish or differentiate.

Empowerment

The process of increasing the degree of autonomy and self-determination in people or communities to enable them to represent their interests.

Joint Exploration

A collaborative effort to investigate or discover new information, perspectives, or solutions in a given context.