Progress in defining the solar wind sputter rate on protoplanets and interplanetary matter |
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| Authors: | RP Flavill WC Carey JAM McDonnell DG Ashworth RJ Allison |
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| Institution: | Space Sciences Laboratory, University of Kent, Canterbury, England |
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| Abstract: | Solar wind sputtering of exposed surfaces in heliocentric orbits is considered for bodies ranging in size from planets down to micrometeoroids. Erosion rates derived from APOLLO sample lunar regolith studies are presented together with the results of computer modelling of surface topographical alteration in order to characterize the sputter erosion process on Solar System bodies bombarded by the solar wind. The consensus of recent measurements leads to a rate of between 0.025 to 0.045 Å yr?1 near the lunar equator. |
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