Computer Science
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004psrd.repte..90m&link_type=abstract
Planetary Science Research Discoveries
Computer Science
Moon, Lunar, Lunar Surface, Composition, Geochemistry, Thorium, Potassium, Iron Oxide, Remote Sensing
Scientific paper
In 1997, PSRD first reported on the trailblazing efforts to map the abundance and distribution of titanium and iron on the entire lunar surface based on Clementine orbital remote sensing data [see PSRD article: Moonbeams and Elements]. Researchers calibrated the remote sensing data with the best ground-truth standards available: lunar soil and rock samples. Since the initial mapping, planetary scientists have been striving to improve the calibration of the remote sensing data to correct for over or under estimates of the global concentrations of primary elements. This work is important because it prevents us from getting erroneous ideas about the Moon's composition and origin. New calibrations to Lunar Prospector and Clementine data by Jeff Gillis (previously at Washington University in St. Louis and now at the University of Hawaii), Brad Jolliff, and Randy Korotev (both at Washington University in St. Louis) have resulted in updated global maps for thorium (Th), potassium (K), and iron oxide (FeO) that are more consistent with the compositions of lunar samples and lunar meteorites, and allow a better understanding of the Moon's formation and evolution.
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