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
Mission: Earth, Voyage to the Home Planet and Jones later produced another collaborative work, "Scholastic Encyclopedia of the United States at War", which was published in 1998. Jones wrote another book about his experiences in space, "Sky Walking: An Astronaut's Memoir", which was published in 2006. In "Mission: Earth, Voyage to the Home Planet", astronaut Thomas David Jones recounts his experiences studying the Earth during his first mission with the United States space agency NASA. Jones' space mission lasted eleven days. Jones was a member of the crew of the Space Shuttle "Endeavour", which left Earth in April 1994. The mission was intended to provide the Space