Dividing a distant galaxy's velocity by its distance will give you _ .
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Q121: A galaxy with a blueshift is moving
Q122: The minimum period of light variations are
Q123: Some giant elliptical galaxies are found to
Q124: The combined of the Local Group binds
Q125: The central engine for active galaxies is
Q127: At the top of the distance ladder
Q128: Most radio galaxies belong to Hubble's class
Q129: A property common to active galaxies is
Q130: Fast- moving electrons, moving close to c,
Q131: The Tully- Fisher relation uses the _
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