This may arise due to differences in the incidence angle of the two observations (about 45 for Magellan and 20–25 for the Earth-based map), which affects the penetration depth of the signal in the fine-grained mantling material
This may arise due to differences in the incidenceangle of the two observations (about 45 for Magellan and 20–25for the Earth-based map), which affects the penetration depth ofthe signal in the fine-grained mantling material