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Science 11 January 1980:
Vol. 207. no. 4427, pp. 179 - 180
DOI: 10.1126/science.207.4427.179
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Articles

Ganymede: Radar Surface Characteristics

R. M. GOLDSTEIN 1 and R. R. GREEN 1

1 Jet Propulsion Laboratory, California Institute of Technology, Pasadena 91103

Radar observations of Ganymede, at X-band, show that the surface is unusually bright and has unusual polarization properties. A model of the surface based on large numbers of random ice facets (hence vacuum-ice interfaces) is able to account for these characteristics.

Submitted on August 15, 1979
Revised on November 13, 1979


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