| Description: |
Scientists measured the bidirectional reflectance in the VIS-NIR spectral range of different surfaces prepared from small-grained spherical water-ice particles over a wide range of incidence and emission geometries, including opposition. They show that coherent backscattering is dominating the opposition effect on fresh sample material, but its contribution decreases when particles become more irregularly shaped and the bulk porosity increases. [Source: Icarus]
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