The star is moving away from the earth with a speed of 0.580c . If the radiation has a frequency 8.64 * 10^14 Hz in the rest frame of the star, what is the frequency measured by an observer on earth?
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The star is moving away from the earth with a speed of 0.580c . If the radiation has a frequency 8.64 * 10^14 Hz in the rest frame of the star, what is the frequency measured by an observer on earth?
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