The Secret of the Martian Moons that have kept Mars in sub-jugation. Phebos (sic) and Deimos are vanquished and all is well.” Notes Sources The book is listed at The Secret of the Martian Moons The Secret of the Martian Moons is a science-fiction novel by Donald A. Wollheim. It was first published in 1955 by the John C. Winston Company. Playing world-class hide-and-seek with the Martians, Nelson Parr believes that he has found them... until the real Martians show up. This is the second novel that Wollheim wrote for Winston, the other two being "The Secret of Saturn's Rings" (1954) and "The Secret of the
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