The Figure Below Shows the Trajectory of a Star on the HR

question 62

Multiple Choice

The figure below shows the trajectory of a star on the HR diagram as it moves along the red giant branch.How does its radius at point 3 compare to its radius at point 1?

• A) It is 100 times larger at point 3.
• B) It is 10 times larger at point 3.
• C) It is 2 times larger at point 3.
• D) It is 10 times smaller at point 3.

---

Definitions:

William James

An American psychologist and philosopher who is considered one of the founding figures of modern psychology.

Biological Origins

Biological origins pertain to the initial and evolutionary beginnings of life and living organisms from a biological perspective.

American Psychological Association

A leading scientific and professional organization representing psychology in the United States, dedicated to advancing the creation, communication, and application of psychological knowledge to benefit society.

Margaret Floy Washburn

The first woman to earn a Ph.D. in psychology (1894) and known for her work in animal behavior and motor theory development.