A spaceship is emitting 500-nm light and traveling toward
A spaceship is emitting 500-nm light and traveling toward us at 10% the speed of light. We detect: A. Radio waves B. 450-nm light C. 500-nm light D. 550-nm light E. Gamma rays
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a spaceship is emitting 500-nm light and traveling toward us at 10 the speed of light we detect a radio waves b 450-nm
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