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The Electric Field outward of Saturn's Main Rings

Krupp, N.; Roussos, E.; Paranicas, C. +5 more

Cassini data are consistent with a global electric field in Saturn's magnetosphere that points approximately antisunward. The inner radial extent of this field was initially established using Saturn orbit insertion data but measurements of ultrarelativistic electrons from that pass cast some doubt on whether the electric field reaches all the way …