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#378 – Anna Frebel: Origin and Evolution of the Universe, Galaxies, and Stars

Lex Fridman Podcast

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The Formation of the Universe and Big Stars

The formation of the Milky Way galaxy started with the formation of the universe after the Big Bang, leaving behind a universe made of hydrogen, helium, and a sprinkle of lithium./nIt was difficult to make stars or any structure from that kind of universe because it was fairly hot gas./nThe very first stars that formed prior to any galaxies were very massive stars made from just hydrogen and helium, and they exploded pretty fast after a few million years on cosmic time scales.

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