Where Did Water Come From?

Mercury, Venus, and Mars are all super low on water – so where did ours come from and why do we have so much of it? We think our water came from a few unlikely sources: meteorites, space dust, and even the sun. ***** PBS Member Stations rely on viewers like you. To support your local station, go to ***** Produced by Complexly for PBS Digital Studios Super special thanks to the following Patreon patrons for helping make Eons possible: Amanda Ward, Avery Sanford, Hillary Ryde-Collins, Stephanie Tan, Stephen Patterson, Mark Foster, Karen Farrell, Trevor Long, Raphael Haase, daniel blankstein, Roberto Adrian Ramirez Flores, Jason Rostoker, Jonathan Rust, Mary Tevington, Bart & Elke van Iersel - De Jong, William Craig II, James Dowling-Healey, Irene Wood, Derek Helling, WilCatRhClPPh33, Mark Talbott-Williams, Nomi Alchin, Eric Roberto Rodriguez, Yu Mei, Dan Ritter, 4th_phase, Jayme Coyle, Albert Folsom, Oscar Amoros Huguet, Patrick Wells, Dan Caffee, N