A Giotto/cometary dust interaction event near the diamagnetic cavity boundary

@article{Israelevich1994AGD,
  title={A Giotto/cometary dust interaction event near the diamagnetic cavity boundary},
  author={P. Israelevich and A. Ershkovich},
  journal={Journal of Geophysical Research},
  year={1994},
  volume={99},
  pages={17691-17694}
}
A new scenario is suggested in order to explain the burst of particles observed by Giotto near the Halley ionopause. According to this scenario, an impact of a cometary dust particle against the Giotto spacecraft (identified by Neubauer et al. (1990)) creates a gas/plasma cloud. Cold cometary ions with a velocity of 70 km/s that impinge on the cloud around the spacecraft are scattered by the secondary ions/neutral species in the cloud. This scattering is shown to allow the cometary ions to… Expand
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