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Detection of Adsorbed Water and Hydroxyl on the Moon
Roger N. Clark
Data from the Visual and Infrared Mapping Spectrometer (VIMS)on Cassini during its flyby of the Moon in 1999 show a broadabsorption at 3 micrometers due to adsorbed water and near 2.8micrometers attributed to hydroxyl in the sunlit surface onthe Moon. The amounts of water indicated in the spectra dependon the type of mixing and the grain sizes in the rocks and soilsbut could be 10 to 1000 parts per million and locally higher.Water in the polar regions may be water that has migrated tothe colder environments there. Trace hydroxyl is observed inthe anorthositic highlands at lower latitudes.
U.S. Geological Survey, Mail Stop 964, Box 25046 Federal Center, Denver, CO 80227, USA. E-mail: rclark{at}usgs.gov
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In Science Magazine
REPORTS
C. M. Pieters, J. N. Goswami, R. N. Clark, M. Annadurai, J. Boardman, B. Buratti, J.-P. Combe, M. D. Dyar, R. Green, J. W. Head, C. Hibbitts, M. Hicks, P. Isaacson, R. Klima, G. Kramer, S. Kumar, E. Livo, S. Lundeen, E. Malaret, T. McCord, J. Mustard, J. Nettles, N. Petro, C. Runyon, M. Staid, J. Sunshine, L. A. Taylor, S. Tompkins, and P. Varanasi (23 October 2009) Science326 (5952), 568.
[DOI: 10.1126/science.1178658] |Abstract »|Full Text »|PDF »|Supporting Online Material »
REPORTS
Jessica M. Sunshine, Tony L. Farnham, Lori M. Feaga, Olivier Groussin, Frédéric Merlin, Ralph E. Milliken, and Michael F. A’Hearn (23 October 2009) Science326 (5952), 565.
[DOI: 10.1126/science.1179788] |Abstract »|Full Text »|PDF »|Supporting Online Material »
PERSPECTIVES
Paul G. Lucey (23 October 2009) Science326 (5952), 531.
[DOI: 10.1126/science.1181471] |Summary »|Full Text »|PDF »
THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Temporal and Spatial Variability of Lunar Hydration As Observed by the Deep Impact Spacecraft.
J. M. Sunshine, T. L. Farnham, L. M. Feaga, O. Groussin, F. Merlin, R. E. Milliken, and M. F. A'Hearn (2009)
Science
326, 565-568
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Character and Spatial Distribution of OH/H2O on the Surface of the Moon Seen by M3 on Chandrayaan-1.
C. M. Pieters, J. N. Goswami, R. N. Clark, M. Annadurai, J. Boardman, B. Buratti, J.-P. Combe, M. D. Dyar, R. Green, J. W. Head, et al. (2009)
Science
326, 568-572
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