Ganymede: Radar Surface Characteristics

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Science  11 Jan 1980:
Vol. 207, Issue 4427, pp. 179-180
DOI: 10.1126/science.207.4427.179


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.