Computer Science
Scientific paper
Mar 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27..471g&link_type=abstract
Lunar and Planetary Science, volume 27, page 471
Computer Science
1
Mars, Scattering, Weathering
Scientific paper
Over the next decade one focus of Mars exploration will be a series of landers and rovers, starting with Mars Pathfinder. An important component of the landed exploration of Mars will be to determine the chemistry and mineralogy of rocks. Important objectives for future measurements of rocks on Mars will be determination of coating thickness and properties and whether sensors will measure rock coatings or the underlying rock. In addition, the coatings themselves are of interest as to their origin and the relation of coatings to rock weathering on Mars. Coated rock surfaces are present at the Viking Lander sites and are found to have a very high reflectance in the forward scattering direction (i.e., specular reflection), similar to varnished rock surfaces found in arid terrestrial settings. The presence of these coatings may indicate that rock breakdown is largely by macroscopic spalling, providing surfaces that are relatively long-lived and capable of developing coatings through on-going weathering processes.
Arvidson Ray E.
Guinness Edward A.
Shepard Michael K.
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