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:

Allocating Proportionate Resources

The distribution of resources, such as time, money, or materials, in a manner proportional to the needs or priorities identified.

Financial Mind-Set

An attitude or approach towards managing and understanding finances, emphasizing planning, saving, and investing wisely.

Disproportionate Resources

A situation where resources are unevenly distributed or allocated, often leading to imbalances in performance or outcomes.

Mind-Set Continuum

The range or spectrum of attitudes or beliefs individuals may hold, reflecting how fixed or growth-oriented they are in their thinking and approach.