Why does the universe expand?

1 Answer
Diego Martínez Paz
Sep 20, 2017

Because of the Big Bang and dark energy (theory) .

Explanation:

The universe is thought to be expanding by:

  1. The initial "explosion"(not an explosion but a rapid expansion) produced so much energy the space-time frame expands with greater acceleration, the microwave cosmic radiation energy generated by the Big Bang.
  2. Dark energy (theory)
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