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An astronomer measures the spectrum of a star and finds a spectral line at 499 nm wavelength. In ...

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An astronomer measures the spectrum of a star and finds a spectral line at 499 nm wavelength. In ...

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
A)   moving toward the Earth at 1/500 the speed of light.
B)   moving away from the Earth at 1/500 the speed of light.
C)   moving toward the Earth at 499/500 the speed of light.
D)   moving away from the Earth at 499/500 the speed of light.

Textbook

Discovering the Universe

Edition: 7^th

Authors: Kaufmann, Comins

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symbo Author

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7 years ago

I appreciate what you did here, answered it right Smiling Face with Open Mouth

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Just got PERFECT on my quiz

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