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How Do We Know What Air is Like on Other Planets?



How do we know what the air is like on planets we haven’t visited? This video explains how to see air from 150 light years away.

Thanks to NASA’s James Webb Space Telescope project at the Space Telescope Science Institute for supporting this video.

Link to Patreon supporters here: www.minutephysics.com/supporters.html

If you want to learn more about how we detect transiting exoplanet atmospheres via emission or absorption spectroscopy, here’s Sara Seagers website:

We know the atmospheric composition of Jupiter, Europa, etc, but how do we know the atmospheres of places we can’t go?

Music by Nathaniel Schroeder,

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