Scattering And Absorption of Light in Planetary RegolithsKarri Muinonen 1,2, Timo Väisänen 1, Julia Martikainen 1, Johannes Markkanen 1,3, Antti Penttilä 1, Maria Gritsevich 1,4, Jouni Peltoniemi 1,2, Jürgen Blum 5, Joonas Herranen 1, Gorden Videen 6,7, Göran Maconi 1, Petteri Helander 1, Ari Salmi 1, Ivan Kassamakov 1, Edward Haeggström 1
1Department of Physics, University of Helsinki, 2Finnish Geospatial Research Institute FGI, National Land Survey, 3Max Planck Institute for Solar System Research, 4Institute of Physics and Technology, Ural Federal University, 5Institut für Geophysik und Extraterrestrische Physik, Technische Universität Braunschweig, 6Space Science Institute, 7Army Research Laboratory
Numerical and experimental methods are presented for multiple scattering of light in discrete random media of densely-packed particles. The methods are utilized to interpret the observations of asteroid (4) Vesta and comet 67P/Churyumov-Gerasimenko.