# Anjali Tripathi: Why Earth may someday look like Mars

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.

- Kind: Talk
- Year: 2016
- Runtime: 11 min
- By: TED.com
- Genres: Education, Science, Space
- Archive: [Internet Archive](https://archive.org/details/AnjaliTripathi_2015X)
- Licence or status: [CC BY-NC-ND 3.0](http://creativecommons.org/licenses/by-nc-nd/3.0/) (as the archive states it)
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/AnjaliTripathi_2015X?play=1)