Mars rover Mars rover A Mars rover is a motor vehicle that propels itself across the surface of the planet Mars upon arrival. Rovers have several advantages over stationary landers: they examine more territory, and they can be directed to interesting features, they can place themselves in sunny positions to weather winter months, and they can advance the knowledge of how to perform very remote robotic vehicle control. There have been four successful robotically operated Mars rovers. The Jet Propulsion Laboratory managed the "Sojourner" rover, the "Opportunity" rover, "Spirit" rover, and, now the "Curiosity" rover. On January 24, 2016 NASA reported that
Opportunity mission timeline may clear the dust from its solar panels, as it has happened before. Some of the craters MER-B has investigated Some excitement from finding meteorites, new types of rock or signatures detected from orbit, and speculations on ancient alien fossils which as of yet lean towards geological processes. "Examples" Some other famous targets are the "blueberries" (2004) and "newberries", aka Kirkwood spheres (2012) See also List of rocks on Mars#Opportunity and List of surface features of Mars imaged by "Opportunity" Opportunity mission timeline Opportunity, MER-B (Mars Exploration Rover – B), is a robotic rover active on the planet Mars since