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2015-07-07T18:52:53+08:00
Origins of the Theory A Belgian priest named Georges LemaƮtre first suggested the big bang theory in the 1920s when he theorized that the universe began from a single primordial atom.The idea subsequently received major boosts by Edwin Hubble's observations that galaxies are speeding away from us in all directions,and from the discovery of cosmic microwave radiation by Arno Penzias and Robert Wilson.
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