Lunar isotopes suggest early water on Earth

The moon is a child of catastrophe, born from a massive collision between the young proto-Earth and a Mars-sized object during the formation of the solar system. 

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Mary Caperton Morton

Mary Caperton Morton

Morton (https://theblondecoyote.com/) is a freelance science and travel writer based in Big Sky, Mont., and an EARTH roving correspondent.  

Monday, July 30, 2018 - 06:00