Physics
Scientific paper
Oct 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993adspr..13..259l&link_type=abstract
Advances in Space Research, Volume 13, Issue 10, p. 259-265.
Physics
2
Scientific paper
We calculate the electrostatic potential of silicate, graphite and carbon submicronic grains in the coma of comet P/Halley located at 1 AU from the Sun using the ``orbit-limited'' solution. The physical properties of the materials as well as the plasma parameters of the subsolar cometosheath are taken into account. We find that the potential lies between -3 and +4 volts in all cases, under likely conditions. It could be negative, between 0 and -10 volts, if the plasma would be a little more dense than usually admitted, as suggested by recent measures.
Dumas Cédric
Lafon Jean-Pierre J.
Lamy Philippe
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