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The Clementine Bistatic Radar ExperimentDuring the Clementine 1 mission, a bistatic radar experiment measured the magnitude and polarization of the radar echo versus bistatic angle, beta, for selected lunar areas. Observations of the lunar south pole yield a same-sense polarization enhancement around beta = 0. Analysis shows that the observed enhancement is localized to the permanently shadowed regions of the lunar south pole. Radar observations of periodically solar-illuminated lunar surfaces, including the north pole, yielded no such enhancement. A probable explanation for these differences is the presence of low-loss volume scatterers, such as water ice, in the permanently shadowed region at the south pole.
Document ID
19970023672
Acquisition Source
Headquarters
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1126/science.274.5292.1495
Authors
Nozette, S. (Phillips Lab. Alexandria, VA United States)
Lichtenberg, C. L. (Naval Research Lab. Washington, DC United States)
Spudis, P. (Lunar and Planetary Inst. Houston, TX United States)
Bonner, R. (Protasis, Inc. Alexandria, VA United States)
Ort, W. (Protasis, Inc. Alexandria, VA United States)
Malaret, E. (Applied Coherent Technology Corp. Herndon, VA United States)
Robinson, M. (Geological Survey Flagstaff, AZ United States)
Shoemaker, E. M. (Geological Survey Flagstaff, AZ United States)
Date Acquired
September 6, 2013
Publication Date
November 29, 1996
Publication Information
Publication: Science
Publisher: American Association for the Advancement of Science
Volume: 274
Subject Category
Communications And Radar
Report/Patent Number
NASA-CR-204693
NAS 1.26:204693
Accession Number
97N23956
Funding Number(s)
CONTRACT_GRANT: NASw-4066
Distribution Limits
Public
Copyright
Public Use Permitted.

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