Photometry of icy satellites: How important is multiple scattering in diluting shadows?

Details Photometry of icy satellites: How important is multiple scattering in diluting shadows? Photometry of icy satellites: How important is multiple scattering in diluting shadows?

Apr 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pggp.rept...20b&link_type=abstract

In NASA. Washington Repts. of Planetary Geol. Program p 20-22 (SEE N84-23431 13-91)

Computer Science

Craters, Ice, Icy Satellites, Image Processing, Surface Roughness, Voyager Project, Albedo, Bouguer Law, Brightness Distribution, Light Scattering, Photomechanical Effect, Shadows

Scientific paper

Voyager observations have shown that the photometric properties of icy satellites are influenced significantly by large-scale roughness elements on the surfaces. While recent progress was made in treating the photometric effects of macroscopic roughness, it is still the case that even the most complete models do not account for the effects of multiple scattering fully. Multiple scattering dilutes shadows caused by large-scale features, yet for any specific model it is difficult to calculate the amount of dilution as a function of albedo. Accordingly, laboratory measurements were undertaken using the Cornell Goniometer to evaluate the magnitude of the effect.

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