Stars in a Binary System Are Useful in Studying Mass

question 25

Multiple Choice

Stars in a binary system are useful in studying mass transfers because we know that the two stars have the same:

• A) mass.
• B) age.
• C) spectral type.
• D) radius.

---

Definitions:

Upsloping Supply Curve

A supply curve that shows an increase in quantity supplied as the price increases, indicating a direct relationship between price and quantity supplied.

Agency Shop

A place of employment where the employer may hire either labor union members or nonmembers but where those employees who do not join the union must either pay union dues or donate an equivalent amount of money to a charity.

Work Stoppages

A temporary cessation of work by employees due to a dispute with management over working conditions, pay, or other labor issues.

Labor Unions

Organizations that represent workers in negotiations with employers over wages, working conditions, and rights.