In Essence,most of the Extrasolar Planets Discovered to Date Have

question 92

Multiple Choice

In essence,most of the extrasolar planets discovered to date have been found by

• A)closely examining very high-resolution photographs of other star systems.
• B)observing a star carefully enough to notice that it is experiencing a gravitational tug caused by an unseen planet.
• C)identifying spectral lines that look like what we expect to see from a planet rather than a star.
• D)observing mini-eclipses of a star as an unseen planet passes in front of it.

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The cost of borrowing money, typically expressed as a percentage of the amount borrowed.

Credit Card

A plastic card issued by a bank allowing the holder to purchase goods or services on credit.

Rate Of Return

The financial increment or decrement experienced in the value of an investment over a specific duration, highlighted as a percentage of the initial capital deployed.

Business Venture

A new enterprise entered into for profit, often characterized by innovation, risk, and a new market or product.