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#378 – Anna Frebel: Origin and Evolution of the Universe, Galaxies, and Stars
Lex Fridman Podcast
The Origins of the Milky Way Galaxy
The Big Bang left a universe behind that was made of just hydrogen, helium and tiny little sprinkles of lithium. And as it turns out, it's actually quite hard to make stars or any structure from that hot gas. After these very first stars formed and exploded, the heavier elements like carbon, oxygen, magnesium, iron were suddenly present in the gas clouds. That set the stage for everything else to happen, including us here talking today.
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