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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: LaTeX: \frac{580}{434} \approx \frac{4}{3} )c

a. 0.53c
b. 0.28c
c. 0.86c
d. 0.56c

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Answer:

Option B: 0.28c is the correct answer.

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Explanation:

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