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Why Earth may someday look like Mars



Anjali Tripathi

TED Talks

Posted: Jan 2, 2017


Every minute, 400 pounds of hydrogen and almost 7 pounds of helium escape from Earth’s atmosphere into outer space. Astrophysicist Anjali Tripathi studies the phenomenon of atmospheric escape, and in this fascinating and accessible talk, she considers how this process might one day (a few billion years from now) turn our blue planet red.


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