An Astronomer Studies Two Globular Clusters,A and B

question 63

Multiple Choice

An astronomer studies two globular clusters,A and B.Cluster A has a higher metallicity than cluster B,but their properties are otherwise identical.The astronomer should expect that:

• A) cluster A's main sequence turnoff occurs at a higher mass than cluster B.
• B) cluster A is more distant than cluster B.
• C) cluster A is older than cluster B.
• D) cluster A is more massive than cluster B.

---

Definitions:

Dateline

The line at the top of a letter that contains the month, day, and year.

Business Letter

A formal document used to communicate between companies or between a company and its clients, suppliers, or other stakeholders.

Envelope Size

The dimensions of an envelope, typically determined by its intended use or the size of the content it is meant to contain.

Correspondence

The exchange of letters or messages between individuals, often for personal or business purposes.