The 6563 H line emitted by hydrogen in a star is found to be red shifted...
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The 6563 H line emitted by hydrogen in a star is found to be red shifted by 15 . Estimate the speed with which the star is receding from the Earth. The 6563 H line emitted by hydrogen in a star is found to be red shifted by 15 . Estimate the speed with which the star is receding from the Earth.
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