
Dan Levitt: You Are Stardust. Really
Clear+Vivid with Alan Alda
00:00
The Evolution of the Universe
hydrogen is the simplest atom of all. All of the hydrogen that was created came right out of the Big Bang. That's 10% of your mass. The evolution of the universe, as I understand it, occurred step by step. And don't we get a lot of what we are from stars exploding? We do because with the Big Bang, there were really only four elements.
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