Human mission to Mars propellant from the Martian Atmosphere. This proposal drew on concepts developed by the former "Case for Mars" conference series. Over the next decade, Zubrin developed it into a mission concept, Mars Direct, which he presented in a book, "The Case for Mars" (1996). The mission is advocated by the Mars Society, which Zubrin founded in 1998, as practical and affordable. In 1991 in Toulouse, France, the International Space University studied an international human Mars mission. They proposed a crew of 8 traveling to Mars in a nuclear-powered vessel with artificial gravity provided by rotation. On the surface, 40 tonne habitats
Return to Mars Return to Mars Return to Mars is a science fiction novel by Ben Bova. This novel is part of the Grand Tour series of novels. It was first published in 1999 and is a sequel to Ben Bova's novel "Mars". Navajo geologist Jamie Waterman returned to Earth as a hero, travelling the globe, giving speeches on Mars, and supporting a return voyage. Now six years later, Waterman gets to return to his beloved red planet, and to the mysterious dwelling in the Valles Marineris region. However, the second voyage has sponsorship not from governments, but from corporations, most notably from