Physics
Scientific paper
Nov 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aps..ses..ic04c&link_type=abstract
American Physical Society, Southeastern Section Meeting, November 13-15, 1998 Miami, Florida, abstract #IC.04
Physics
Scientific paper
The Pathfinder mission to Mars identified Andesitic rock as the primary type of rock at the landing site. Several experiments were designed at NASA/Kennedy Space Center to determine the charging characteristics of common space materials exposed to small particles derived from those rocks. MARS-1, a Martian soil simulant prepared from Andesitic rocks by NASA/JSC was used in this work. Characterization of this simulant was made using scanning electron microscopy and inductively coupled argon plasma spectroscopy coupled with a carbon-sulfur detector. These results were compared to the Alpha Proton X-Ray Spectrometer analysis on Pathfinder. The simulant was found to be a suitable substitute for Martian soil for our purposes. Two experimental designs and methods to simulate the exposure of different materials to wind-blown dust were made. These designs permit dust particle delivery to samples at different speeds. Initial experiments made with these designs to determine their viability were promising.
Calle Carlos I.
Jackson Daniel
Kim Heung-Sik
Lombardi A. J.
Young Scott
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