Fig. 3: Circular Polarization Ratio of craters investigated in this study.

Dual Frequency Synthetic Aperture Radar-based Circular Polarization Ratio (CPR) of the interior of doubly shadowed craters investigated in this study. All the craters are marked by their corresponding names, as shown in Fig. 1. CPR of the interior of Tooley crater is also shown. The locations of the region of interest for which CPR has been estimated are shown in Supplementary Fig. 4.