Physics, 25.02.2021 18:40 mackenziepaige6525
A star's emission line of 400 nm appears shifted to 404 nm in the spectrum. What can you conclude from this shift?
A. The star is approaching you with the speed of 3000 km/s.
B. The star is approaching you with the speed of 30300 km/s.
C. The star is receding from you with the speed of 3000 km/s.
D. The star is receding from you with the speed of 30300 km/s.
Answers: 2
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A star's emission line of 400 nm appears shifted to 404 nm in the spectrum. What can you conclude fr...
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