An Astronomer Measures the Spectrum of a Star and Finds

question 43

Multiple Choice

An astronomer measures the spectrum of a star and finds a spectral line at 499 nm wavelength. In the laboratory, this spectral line occurs at 500 nm. According to the Doppler effect, this object is moving _____ Earth at _____the speed of light.

• A) toward; 1/500
• B) away from; 1/500
• C) toward; 499/500
• D) away from; 499/500

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Definitions:

Economic Losses

Financial losses incurred by businesses or the economy as a whole, often as a result of unfavorable market conditions.

Oligopolists

Companies or entities that dominate a particular market, where a few businesses hold significant market share, potentially affecting prices and competition.

Cartel Members

Companies or countries that agree to control production and prices, often to limit competition and maximize collective profits.