A Timeline of Exploration By 052kansali Oct 18, 1609 Galelio and the telescope Mar 13, 1781 Discovery of Uranus Sep 23, 1846 Discovery of Neptune Feb 18, 1930 Discovery of Pluto Oct 4, 1957 First Satellite to Orbit Earth Aug 16, 1960 Discover 24 launch Apr 12, 1961 First Man to Orbit Earth First Man Feb 3, 1966 Luna Nine Apr 3, 1966 Luna 10 Apr 23, 1967 Soyuz1 Aug 17, 1970 Venera 7 Sep 5, 1977 Voyeger 1 Dec 11, 1998 Mars Climate Orbiter Oct 24, 2001 Deep Space 1 Mar 7, 2005 International Space Station
