Energetic Particle Phenomena in the Earth’s Magnetospheric Tail
The gross magnetic topology of the distant magnetotail is an “open” one (i.e., dynamic interconnection of geomagnetic field lines to those in the interplanetary medium).
There are no closed electrical equipotential surfaces in the magnetotail at downstream distances greater than 64 RE.
Solar electrons enter the magnetotail at downstream distances between 64 and 900 RE.
Support is given to the idea that the motional electromotive force caused by the motion of the interplanetary magnetic field past the earth is responsible for driving magnetospheric plasma convection and electrical currents in the polar ionosphere.
KeywordsInterplanetary Magnetic Field Interplanetary Space Interplanetary Medium Ecliptic Plane Downstream Distance
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