The best evidence for an expanding universe is

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      increasing distances between the stars in the Milky Way
      the fact that nothing is older than 5 billion years
      the universal red shift
      the realization that if stars explode, the universe does as well
      the decrease in the speed of light at large stellar distances
asked Mar 12, 2013 in Earth Science by anonymous
    

1 Answer

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the universal red shift
answered Mar 15, 2013 by h20 ~Top Expert~ (6,320 points)

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