News tagged with earth atmosphere

Magnesium oxide: From Earth to super-Earth

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 from a team led by ...

dateNov 22, 2012 in Earth Sciences
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Study finds unprecedented Arctic ozone loss

( -- A NASA-led study has documented an unprecedented depletion of Earth's protective ozone layer above the Arctic last winter and spring caused by an unusually prolonged period of extremely low temperatures in ...

dateOct 02, 2011 in Earth Sciences
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