2min chapter

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

Lex Fridman Podcast

CHAPTER

The Spectrum of the Sun

We don't send the starlight through a raindrop that then gets bounced around and splits up the light into the rainbow colors. We, um, we do it with a spectrograph. So basically a prism. The interesting things are the dips. If you think back of the rainbow, what we actually see in our stars is not just a rainbow, but it would be a rainbow with lots of black lines in it. And so we can no longer see it as well.

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