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2. For each of the 4 objects in your #1 question, now compare the rest wavelength and the observed wavelength of the hydrogen lines. For example: for the Virgo Cluster we found H-alpha = 660nm. The rest wavelength is 656nm. Therefore, the wavelength is different by ____?(you would show this calculation and for the others). Which wavelength is longer? Are the galaxies moving towards us or away from us? (State this for each one.)

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