Multiple Choice
Suppose the wavelength of the 656.3-nm line in the hydrogen spectrum is shifted to 656.8 nm for light from a particular star.What can you deduce for the speed of the star relative to us?
A) 914 km/s toward us
B) 457 km/s toward us
C) 914 km/s away from us
D) none of these answers
E) 457 km/s away from us
Correct Answer:
Verified
Correct Answer:
Verified
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