Question

How did the universe evolve after the BigBang​

Answer 1

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As space expanded, the universe cooled and matter formed. One second after the Big Bang, the universe was filled with neutrons, protons, electrons, anti-electrons, photons and neutrinos. ... However, after this point, the universe was plunged into darkness, since no stars or any other bright objects had formed yet.

Answer 2

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As space expanded, the universe cooled and matter formed.

One second after the Big Bang, the universe was filled with neutrons, protons, electrons, anti-electrons, photons and neutrinos.

However, after this point, the universe was plunged into darkness, since no stars or any other bright objects had formed yet