Other
Scientific paper
Aug 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006p%26ss...54..784o&link_type=abstract
Planetary and Space Science, Volume 54, Issue 8, p. 784-793.
Other
4
Scientific paper
The study of Mars linked to its climatic history, the presence of water and possible forms of life on the planet, are becoming more and more important in recent years. In this paper we present laboratory reflection measurements on olivine samples which are believed to be the product of alteration induced by their coexistence with water. The reflection spectra have been obtained in the wavelength range from 0.2 to 2.5μm and for different grain sizes; they exhibit, among various bands, some of which due to H2O and OH, a characteristic absorption feature at about 0.64μm, whose emission wings at 0.56 and near 0.7μm have relative strengths which are size dependent and well correlated. The identification of such feature in the observed spectra of Mars would provide useful information about the grain size of the Martian regolith and, in association with other bands, also about the possible presence of olivine altered by water in the past.
Blanco Ariel
Fonti Sergio
Orofino Vincenzo
Politi Romolo
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