Asteroid Crashes Likely Gave Earth Its Water

When the Earth was first being formed, the whole region of the nebula was far to hot for water to condense. So, the original rock was mostly just heavy metals and such.

A little further away from the sun, the relative abundance of hydrogen and oxygen made for excellent conditions for the formation of water, which eventually became huge icy asteroids. They are still out there, in fact. Some of them crashed into the Earth though, where the water melted and became our oceans.

That is, of course, an oversimpli

Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/zF7Hpxajl4k/asteroid-crashes-likely-gave-earth-its-water

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