Figure 1 - The Hallowe'en storm.


From the following article

Tightening the radiation belts

Paul Hanlon

Nature Physics Published online: 8 September 2005

doi:10.1038/nphys128

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In late 2003, a solar storm caused a massive distortion of the Earth's plasmasphere, shown in these images2, and of the Van Allen radiation belts. (Scale: units of Earth radius, equivalent to 6,372 km.)

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