If a Star Has an Extrasolar Planet, the Amplitude of Its

question 4

Multiple Choice

If a star has an extrasolar planet, the amplitude of its radial velocity curve is related to the planet's

• A) mass
• B) orbital shape
• C) orbital period
• D) radius

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Definitions:

Purely Competitive

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

Long Run

A period in which all factors of production and costs are variable, allowing complete adjustment to changes.

Accounting Profits

The financial gain calculated by subtracting total expenses from total revenues, according to standard accounting practices.

Long-Run Equilibrium

The state in which all factors of production and costs are variable, and firms earn normal profits in a competitive market.