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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. I know that sounds crazy, but there is strong observational evidence to support the big bang theory. And it includes the amount of helium in the cosmos and the glow of radio waves left over from the explosion.”

- Neil deGrasse Tyson, Cosmos

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