Light is gathered from a distant galaxy and one of the spectral lines is observed at 560 nm when it should be 400 nm. The velocity of this galaxy is…
Light is gathered from a distant galaxy and one of the spectral lines is observed at 560 nm when it should be 400 nm. The velocity of this galaxy is _____ km/s. Only enter your numerical answer below – do not include units. If your answer is negative, be certain to include a minus sign in your answer.
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Light is gathered from a distant galaxy and one of the spectral lines is observed at 580 nm when it should be 400 nm. The velocity of this galaxy is _____ km/s. Only enter your numerical answer below – do not include units. If your answer is negative, be certain to include a minus sign in your answer.
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