Mathematics – Logic
Scientific paper
Oct 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf..817d&link_type=abstract
EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.817
Mathematics
Logic
Scientific paper
We assess compositional heterogeneity on the surface of Mercury with data from MESSENGER'S Mercury Atmospheric and Surface Composition Spectrometer. The data were obtained during the spacecraft's early orbital phase and cover nearly a pole-to-pole portion of the planet from about 0° to - 45°E longitude. We applied a statistical technique to extract underlying relationships among units. Without applying photometric corrections, we were able to cluster surface observations into distinct classes that correspond well to geomorphological units identified from MESSENGER images, such as plains and heavily cratered terrain. We also identified areas where the geometry of spectral observations matches that of biconical reflectance spectra obtained at the DLR Planetary Emissivity Laboratory, which will be exploited to infer possible mineralogical constituents of Mercury's surface materials.
D'Amore Mario
D'Incecco P.
Helbert Jérôme
Holsclaw Gregory M.
Izenberg Noam R.
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