Where Did Earth s Water Come From?

To learn more about Brilliant, check out https://brilliant.org/BeSmart/ Give us a hand and SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Why is Earth is a blue planet? Because it’s covered in water! Where did Earth’s water come from? Of course, water isn’t unique to our planet. The origin of water traces beyond the solar system to the earliest days of the universe. Here’s the story of the galaxy’s H2O. Special thanks to: David O’Brien, Planetary Science Institute Wendy Panero, The Ohio State University Karen Meech, Institute for Astronomy at the University of Hawaii Shmuel Bialy, Tel Aviv University Avi Loeb, Harvard University Ilse Cleeves, Harvard-Smithsonian Center for Astrophysics References: Bialy, S., Sternberg, A., & Loeb, A. (2015). Water Formation During the Epoch of First Metal Enrichment. The Astrophysical Journal Letters, 804(2), L29. Bradford, Charles M., et al. "The water vapor spectrum of APM 08279+ 5255: X-ray heating and infrared pumping over hundreds of parsecs." The Astrophysical Journal Letters 741.2 (2011): L37. Cleeves, L. Ilsedore, et al. "The ancient heritage of water ice in the solar system." Science 345.6204 (2014): 1590-1593. ----------- FOLLOW US: Twitter: @DrJoeHanson @okaytobesmart Instagram: @DrJoeHanson Merch: https://store.dftba.com/collections/its-okay-to-be-smart Facebook: http://www.facebook.com/itsokaytobesmart ----------- It’s Okay To Be Smart is hosted by Joe Hanson, Ph.D. Director: Joe Nicolosi Writer: Marcus Woo Creative Director: David Schulte Editor/animator: Karl Boettcher and Derek Borsheim Producers: Stephanie Noone and Amanda Fox Produced by PBS Digital Studios Music via APM Stock images from Shutterstock http://www.shutterstock.com