UNIT 1 Science Project By s-skipfer Oct 4, 1957 Sputnik 1 Nov 2, 1957 Sputnik 2 Oct 11, 1958 Pioneer 1 Launch Period: Oct 11, 1958 to Jan 23, 2003 Pioneer Program 1-10 23, January: Lost contact with Pioneer 10 Period: Jan 1, 1961 to Jan 1, 1984 Vanera Probes Span Dec 7, 1961 Gemini Feb 20, 1962 Atlas Rocket Launched Period: Jul 22, 1962 to Nov 3, 1973 Mariner missions: 1-10's Launches Apr 17, 1971 Salyut 1 May 14, 1973 Skylab Aug 20, 1975 Viking 1 Launch Sep 9, 1975 Viking 2 Launch Aug 20, 1977 Voyager 2 Launched Sep 5, 1977 Voyager 1 Launched Period: Apr 12, 1981 to Jul 21, 2011 NASA Space Shuttle Launches May 4, 1989 Magellon Launch Oct 18, 1989 First Galileo Launch Jan 1, 1990 Hubble Launched Aug 10, 1990 Megellon Arrived Feb 17, 1996 N.E.A.R. Launch Oct 15, 1997 Cassini Launched Aug 8, 2001 Genesis Launched Jan 23, 2003 Lost Contact with Pioneer 10 Jun 7, 2003 Mars Rover: Opportunity Jun 10, 2003 Mars Rover: Spirit Launch Sep 21, 2003 Final Galileo Mission Jan 4, 2004 Mars Rover: Spirit Ends Jan 24, 2004 Mars Rover: Opportunity ends Apr 8, 2004 Genesis Crashed Dec 15, 2004 Voyager 1 Terminated Aug 15, 2007 Voyager 2 Terminated