Which Method Can Be Used to Determine the Radius of an Extrasolar

question 2

Multiple Choice

Which method can be used to determine the radius of an extrasolar planet?

• A) Doppler shift can be used.
• B) Transit can be used.
• C) Microlensing can be used.
• D) Direct imaging can be used.
• E) None of these methods are able to do this.

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Definitions:

Market Price

The ongoing cost for buying or selling an asset or service within a market setting.

Acid-Test Ratio

A stringent indicator of a company's liquidity, calculated by dividing liquid assets excluding inventories by current liabilities.

Company

A business organization founded by a group of individuals dedicated to pursuing and administering a commercial or industrial venture.

Acid-Test Ratio

A liquidity ratio that measures a company's ability to pay off its current liabilities with quick assets (cash, marketable securities, and accounts receivable).