Some solar system objects that are candidates for radar imaging are protected by clouds or haze, making optical imaging tricky or not possible. These atmospheres are transparent to radio frequency waves, and will be imaged using Synthetic Aperture Radar (SAR) which presents its own penetrating illumination with radio waves. SAR https://shanewxttn.bloggerchest.com/28772400/not-known-factual-statements-about-wearable-safety-technology