Suppose That Star X and Star Y Both Have Redshifts

question 75

Multiple Choice

Suppose that Star X and Star Y both have redshifts, but Star X has a larger redshift than Star Y. What can you conclude?

• A) Star X is moving away from us faster than Star Y.
• B) Star Y is moving away from us faster than Star X.
• C) Star X is hotter than Star Y.
• D) Star X is moving away from us and Star Y is moving toward us.
• E) Star X is coming toward us faster than Star Y.

---

Definitions:

Price-Maker

An entity, such as a firm, that has the ability to influence the price of goods or services it sells, typically due to lack of competition.

Perfect Competitor

A theoretical market structure where many firms sell identical products, with no single seller able to influence market prices, ensuring maximum efficiency.

Withholds Output

A strategy where a firm or supplier limits the supply of a product to increase demand or prices.

Perfect Competition

A market structure characterized by a large number of buyers and sellers, homogenous products, and the free entry and exit of firms, leading to price-taking behavior.