How the Universe Was Formed

About a half a million years after the big bang, the cosmos began to cool, as it cooled, the hot subatomic particles that constituted the early universe began to slow down and stop colliding with each other long enough so that protons, neutrons and electrons could form.

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Deep Astronomy

This show is dedicated to helping Space Fans understand their place in the universe. Here you'll find lots of episodes to help you get your mind around just how big the cosmos is.