When measuring the recessional velocity of distant galaxies using red shift, the progressive reddening is a measure of the expansion of the universe, and thus the present recessional velocity of that galaxy. On the other hand, as light leaves that galaxy, its inverse square attenuation is apparently unaffected by the expansion, with the result that the measured distance using standard candles does NOT represent the galaxy's actual distance, but what it would be in a static universe. AG
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