November 7, 2012

Earth's Magnetic Shield Behaves Like a Sieve

Colin Stuart, Physics World

AP Photo

The Earth's magnetic field is more permeable than previously thought, according to researchers analysing data from the European Space Agency's Cluster mission. The findings have implications for modelling the dangers posed by space weather and could also help us better understand the magnetic environments around Jupiter and Saturn.

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TAGGED: Solar Wind, Magnetosphere, Space Weather, Kelvin-Helmholtz Instability