Giant Breach in Earth's Magnetic Field Discovered

Hi! I thought you'd be interested in this story from Science@NASA: NASA's five THEMIS spacecraft have discovered a breach in Earth's magnetic field ten times larger than anything previously thought to exist. The size of the opening and the strange way it forms could overturn long-held ideas of space physics. http://science.nasa.gov/headlines/y2008/16dec_giantbreach.htm?friend

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