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Our entire universe emerged from a point smaller than a single atom. Space itself exploded in a cosmic fire, launching the expansion of the universe and giving birth to all the energy and all the matter we know today.
The helium and glow of radio waves left over from the explosion is evidence. As it expanded, the universe cooled, and there was darkness for about 200 million years.
Gravity was pulling together clumps of gas and heating them until the first stars burst into light…