Eldorado 57,482 #1 Posted December 18, 2020 Spacecraft that use standard optical cameras are frequently stymied by the presence of cloud over the target scene, and of course they can't see anything at night. But the microwave pulses used in Synthetic Aperture Radar (SAR) have no problem piercing the weather, and don't care if the Sun is up or not. What this means is that it will be hard soon for any changes on the planet's surface to go unnoticed. Full article at the BBC: Link 1 Share this post Link to post Share on other sites
