Discovery and exploration of the Solar System Soviet "Lunokhod 1", which landed on the Moon in 1970. The first to visit another planet was Sojourner, which travelled 500 metres across the surface of Mars in 1997. The only manned rover to visit another world was NASA's Lunar rover, which traveled with Apollos 15, 16 and 17 between 1971 and 1972. Overview of some missions to the Solar System. See also the categories for missions to , , , and . Crewed exploration of the Solar System ended in 1972. The first human being to reach space (defined as an altitude of over 100 km) and to orbit
Leather Goddesses of Phobos 2: Gas Pump Girls Meet the Pulsating Inconvenience from Planet X! had no such settings. The box did, however, feature "warnings" such as "Mature Attitudes Expressed". In the original "Leather Goddesses of Phobos", the titular female aliens suffered a humiliating defeat in 1936 at the hands of an Earthling from Ohio. Now it is 1958, and astronomers have recently discovered "Planet X", the tenth planet in our solar system. The desert town of Atom City, Nevada does not contain much besides a military base, nuclear power plant and gas station. But one night the sleepy town witnesses a spaceship that crash-lands with a single survivor: Barth, the "Pulsating Inconvenience" from the