3min chapter

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#257 – Brian Keating: Cosmology, Astrophysics, Aliens & Losing the Nobel Prize

Lex Fridman Podcast

CHAPTER

The First Thing That Formed, Is Iron?

Helium was only discovered from the spectrum of looking at the Sun. When it tries to make iron, there's no longer any leftover heat. Some of that coalesced and made the core of the earth onto which the lighter like silica and carbon were formed. And so they ended up making this announcement that we had discovered the aftershocks of inflation.

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