Which of the Following Can Be Determined Using the Period-Luminosity

question 62

Multiple Choice

Which of the following can be determined using the period-luminosity relation?

• A)the radius of the bulge of our galaxy
• B)the mass of a star for which the distance is known
• C)the temperature of a star for which we know the luminosity
• D)the distance to open clusters that contain Cepheid variables

---

Definitions:

Case Studies

In-depth analyses of a single event, situation, or individual to explore and understand underlying principles or phenomena.

General Principles

Fundamental norms, rules, or values that represent what is desirable and positive for a person, group, organization, or community, and help it in determining the rightfulness or wrongfulness of its actions.

Unethical

Acting in ways that violate moral principles and standards of conduct.

Case Study

A detailed analysis of a person, group, event, or situation over a period of time, used in qualitative research to gather in-depth insights.