Cepheid Variable Stars

question 8

Multiple Choice

Cepheid variable stars

• A) are very bright, easily seen stars.
• B) have luminosities related to their periods of variation.
• C) have very short periods of variation.
• D) all lie in the constellation Cepheus.

---

Definitions:

Streamed Movies

Films that are delivered and viewed over the internet rather than through traditional physical media or broadcast.

Indifference Curve

A graph showing combinations of two goods that give a consumer equal satisfaction and utility.

Utility

A measure of satisfaction or pleasure that people derive from consuming goods and services.

Cupcakes

Small cakes designed for a single person, often decorated with frosting and other sweet toppings.