Polar Cusp (IMAGE)

Southwest Research Institute

Polar Cusp

Caption

This false-color image of the Earth's magnetosphere illustrates the depression in magnetic field strength in the northern and southern cusps. SwRI has designed an ion instrument for the TRACERS mission to investigate the variability of magnetic reconnection by obtaining measurements in the cusps.

Credit

NASA/GSFC/N. A. Tsyganenko/C. T. Russell

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