ScienceDaily: Earth Science News
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Magnesium oxide: From Earth to super-Earth
Posted: 22 Nov 2012 12:29 PM PST
The mantles of Earth and other rocky planets are rich in magnesium and oxygen. Due to its simplicity, the mineral magnesium oxide is a good model for studying the nature of planetary interiors. New work studied how magnesium oxide behaves under the extreme conditions deep within planets and found evidence that alters our understanding of planetary evolution.