Computer Science
Scientific paper
Dec 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976sci...194.1303h&link_type=abstract
Science, vol. 194, Dec. 17, 1976, p. 1303-1309. NASA-supported research.
Computer Science
2
Landing Sites, Magnetic Properties, Magnets, Mars Surface, Viking Lander Spacecraft, Magnetic Materials, Reflectance, Soils, Spectrophotometry, Viking Mars Program
Scientific paper
The amounts of magnetic particles held on the reference test chart and backhoe magnets on lander 2 and lander 1 are comparable, indicating the presence of an estimated 3 to 7 percent by weight of relatively pure, strongly magnetic particles in the soil at the lander 2 sampling site. Preliminary spectrophotometric analysis of the material held on the backhoe magnets on lander 1 indicates that its reflectance characteristics are indistinguishable from material within a sampling trench with which it has been compared. The material on the RTC magnet shows a different spectrum, but it is suspected that the difference is the result of a reflectance contribution from the magnesium metal covering on the magnet. It is argued that the results indicate the presence, now or originally, of magnetite, which may be titaniferous.
Arvidson Ray E.
Collinson D. W.
Hargraves Robert B.
Spitzer R. C.
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