Astronomy Cast

Wizzard Media

Science & Medicine, Natural Sciences

Chart Positions

Science & Medicine 55
Natural Sciences 19

Astronomy Cast brings you a weekly fact-based journey through the cosmos.


Ep. 363: Where Did Earth's Water Come From?

January 19th, 2015

Episode 397 of 460 episodes

Where on Earth did our water come from. Well, obviously not from Earth, of course, but from space. But did it come from comets, or did the water form naturally right here in the Solar System, and the Earth just scooped it up?

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