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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 ↓↓↓Uploaded 22-05-18Why 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 InstituteWendy Panero, The Ohio State UniversityKaren Meech, Institute for Astronomy at the University of HawaiiShmuel Bialy, Tel Aviv UniversityAvi Loeb, Harvard UniversityIlse Cleeves, Harvard-Smithsonian Center for AstrophysicsReferences:Bialy, S., Sternberg, A., and 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: @DrJoeHansonMerch: https://store.dftba.com/collections/its-okay-to-be-smartFacebook: http://www.facebook.com/itsokaytobesmart -----------It’s Okay To Be Smart is hosted by Joe Hanson, Ph.D.Director: Joe NicolosiWriter: Marcus WooCreative Director: David SchulteEditor/animator: Karl Boettcher and Derek BorsheimProducers: Stephanie Noone and Amanda FoxProduced by PBS Digital StudiosMusic via APMStock images from Shutterstock http://www.shutterstock.com Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices
