Planet Master Super Villains. The first Planet Master uses weapons based on the planets. The second Planet Master could simulate the conditions typical to any of the nine planets in our solar system. For example, he can use the speed of Mercury, the heat of Mars, the strength of Jupiter, the rings of Saturn, and the cold of Pluto. Planet Master appears in the "" episode "Aquaman's Outrageous Adventure," voiced by Stephen Root. Although he has the appearance of the Irving Norbert version of Planet Master, his powers are similar to the second Planet Master. While stopping in a Western theme-park town
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