Suppose You Measured H-R Diagrams for the Two Star Clusters

question 88

Multiple Choice

Suppose you measured H-R diagrams for the two star clusters pictured below. Which of the following statements is true?

• A) Cluster A is younger than cluster B, but both are the same distance away.
• B) Cluster A is older and farther away than cluster B.
• C) Cluster A and cluster B have the same age, but cluster B is closer.
• D) Cluster A is older and closer than cluster B.
• E) Cluster A is younger and farther away than cluster B.

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Definitions:

Study

The act of dedicating time and attention to acquiring knowledge or understanding through reading, practicing, or observation.

Participants

The people who are studied in a research project. Participants is the term now used in psychology; other disciplines still call these people “subjects.”

Nurture

The process of caring for and encouraging the growth or development of someone or something, often contrasted with nature.

Environmental Traits

Characteristics of an individual or species that are influenced by environmental factors rather than genetic ones.