Physics, 21.02.2020 17:18 Marcynandrew
A distant galaxy is observed to have its hydrogen-E line shifted to a wavelength of 580 nm, away from the laboratory value of 434 nm. Which of the following gives the approximate velocity of recession of the distant galaxy? (Note: 580/434~~)ca. 0.53cb. 0.28cc. 0.86cd. 0.56c
Answers: 2
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A distant galaxy is observed to have its hydrogen-E line shifted to a wavelength of 580 nm, away fro...
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