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
Space Ghost Coast to Coast "Space Ghost" is mentioned in the opening lyrics of cello rock band Rasputina's song "The Olde Headboard", which was featured on their 1998 sophomore album "How We Quit the Forest". Four rocks found on the planet Mars were named after Space Ghost, Zorak, Moltar, and Brak. In January 2009, IGN named "Space Ghost Coast to Coast" as their 37th favorite animated TV show in their Top 100 Best Animated TV Shows article. In 2013 IGN placed "Space Ghost Coast to Coast" as number 18 on their list of Top 25 animated series for adults. Rapper SpaceGhostPurrp is named after the