Abstract. The collection of electrons by a conducting spherical body at a high voltage ß o from a magnetized plasma is studied by means of a fully three-dimensional particle-incell code. A relative motion between the plasma and the body is included to simulate the orbital motion of a spacecraft.

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Abstract. Plasma processes affecting collection of electrons by a conducting body in a magnetized plasma are studied using a fully 3-dimensional particle-in-cell simulation, including a relative drift ( It is estimated that such drit•s in the sheath of the tethered satellite was able to produce lower hybrid waves which could accelerate the electrons up to a few hundred electron volts.

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