Where Did Earth's Water Come From?
This video sponsored by Tab for a Cause: http://www.tabforacause.org?r=3 Please support MinuteEarth on Patreon: https://goo.gl/ZVgLQZ And subscribe! http://goo.gl/EpIDGd Earth didn't have...
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Unlike every other planet in our solar system, Earth's surface is 70% liquid water, which while useful for life, is also kind of weird, because everything we know about how and when our planet formed says Earth's surface should be bone dry. The story goes like this: our solar system formed from the collapse of a large cloud of dust and gas. The dense blob of gas at the center ignited to form the sun, which as a young, unstable star unleashed a fierce solar wind. Over time this stream of charged particles pushed the remaining gas cloud farther and farther out, leaving only solid particles behind to clump together into rocks, planetesimals, and finally, the rocky planets of the inner solar system that we know today. And here's the problem: water, in ...
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Unlike every other planet in our solar system, Earth's surface is 70% liquid water, which while useful for life, is also kind of weird, because everything we know about how and when our planet formed says Earth's surface should be bone dry. The story goes like this: our solar system formed from the collapse of a large cloud of dust and gas. The dense blob of gas at the center ignited to form the sun, which as a young, unstable star unleashed a fierce solar wind. Over time this stream of charged particles pushed the remaining gas cloud farther and farther out, leaving only solid particles behind to clump together into rocks, planetesimals, and finally, the rocky planets of the inner solar system that we know today. And here's the problem: water, in ...
