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December 1998


SAMPEX Observations of Radiation Belts, Spring 1998
The Solar Anomalous Magnetospheric Particle Explorer obtained this pair of images in May 1998, during a period of intense activity in Earth's radiation belts. SAMPEX measures the intensity of the radiation belts in electron volts (with the most intense areas being bright red) and where the belts connect to Earth's upper atmosphere. CREDIT: Shri Kanekal/NASA Goddard Space Flight Center

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