Places and Things

Martian Satellite Photos Show Dynamic Planet Mars, once thought to be a static, dusty landscape, is ever changing. It wasn't until NASA's Mars Reconnaissance Orbiter (MRO) showed up that we observed shifting dunes, seasons coming and going, and dust devils swirling across the planet. Continue Reading . . . https://www.scientificamerican.com/article/martian-satellite-photos-show-dynamic-planet/