This video is hosted on the YouTube video platform. Therefore, playing this video requires embedding the YouTube video player by YouTube LLC, USA which belongs to Google LLC, USA. By accepting, you agree that we embed their video player, which is able to set third-party cookies, including those used for advertisement and tracking, and may transfer your browser information and IP address to Google servers. For more information, see Google's privacy policy.

Where did Earth’s water come from? - Zachary Metz

View full lesson: http://ed.ted.com/lessons/where-did-earth-s-water-come-from-zachary-metz Water covers over 70% of the Earth, cycling from the oceans and rivers to the clouds and back again. It even makes up about 60% of our bodies. But in the rest of the solar system, liquid water is almost impossible to find. So how did our planet end up with so much of this substance? And where did it come from? Zachary Metz outlines the ancient origins of water on Earth. Lesson by Zachary Metz, animation by The Moving Company Animation Studio.

More videos by this producer

This website uses cookies to ensure you get the best experience on our website. Learn more in our privacy policy.