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symbo symbo
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8 years ago
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

Discovering the Universe


Edition: 7th
Authors:
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discovererdiscoverer
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8 years ago
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symbo Author
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This site is awesome
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Thanks for your help!!
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Good timing, thanks!
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