If You Measure the Average Brightness and Pulsation Period of a Cepheid

question 16

Multiple Choice

If you measure the average brightness and pulsation period of a Cepheid variable star, you can also determine its:

• A) age
• B) rotation period
• C) distance
• D) mass
• E) composition

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Definitions:

Charter

A legal document giving a corporation or other organization its rights and privileges, or a charter can also refer to the authorization for a municipal corporation to operate.

Compensation

involves payment or remuneration provided to an individual or entity for loss, injury, or suffering, aiming to restore financial or emotional equilibrium.

Blue Sky Laws

State laws in the United States designed to protect investors from fraud by requiring sellers of new issues of securities to register their offerings and provide financial details.

Securities

Financial instruments that represent either ownership (e.g., stocks) or a debt agreement (e.g., bonds) between the buyer and the issuer.