Curiosity's Other Important Job: Studying Martian Clouds

MSL Curiosity is primarily a rockhound. It’s at Gale Crater, examining the rocks there and on Mt. Sharp, which sits in the middle of the crater and rises 5.5 km above the crater floor. But Curiosity is also a skywatcher, and its primary camera, Mastcam, was built with Martian clouds in mind. When the sun …