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2014-11-02T14:47:34+05:30
The Big Bang theory gives an explanation for a huge  range of observed phenomena, including the abundance of light elements, the cosmic microwave background,and  large scale structure.

The earliest stages of the Big Bang are subject to much speculation.

The universe continued to decrease in density and fall in temperature.

the Big Bang theory depends on two major assumptions: the universality of physical laws and the cosmological principle.

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