Viking Probe Program Timeline By S-LWHITLEY Period: Oct 1, 1957 to Dec 31, 2013 Science Timeline Nov 3, 1957 Soutnik's Second Launch Period: Apr 3, 1961 to Apr 3, 1983 Venera Probes Oct 4, 1961 1st Venera Probe was Launched Feb 20, 1962 Mercury Went into Orbit Jul 22, 1962 Mariner Program Launched Oct 7, 1962 Mercury Started Jan 1, 1964 Almaz Was Conceived Jan 3, 1967 Gemini Created Oct 4, 1967 Sputnik's First Launch Period: Jan 1, 1973 to Jan 1, 1977 Salyut May 14, 1973 Skylab Was Sent to Space Nov 15, 1973 Mariner 10 Launched Apr 20, 1975 Viking 1 Launched into Space Sep 9, 1975 Viking 2 Launched into Space Jun 20, 1976 Viking 1 Landed on Mars Sep 3, 1976 Viking 2 Landed on Mars Apr 12, 1981 First Space Shuttle Took Off Apr 12, 1981 The Last Space Shuttle Took Off Dec 15, 1985 Hubble Telescope Parts Put Together Jan 28, 1986 Last Flight of The Challenger Apr 24, 1986 Hubble Telecope Launched Oct 15, 1986 Hubble Telescope Was Scheduled to Launch Period: Apr 15, 1989 to Apr 15, 2003 Galileo Jupiter Space Program May 4, 1989 Magellan Spacecraft Launched Aug 10, 1990 Magellan Arrived on Venus Oct 18, 1995 Galileo Space Probe Launched Apr 3, 1998 Cassini Flew by Venus Aug 3, 1999 Cassini flew by Earth Apr 3, 2000 Cassini Flew by Jupiter Oct 31, 2000 ISS Launched Aug 8, 2001 Genisis's First Launch Jan 16, 2003 Last flight of Columbia Jul 3, 2003 Spirit Landed Jul 7, 2003 Spirit Launched Jul 1, 2004 Cassini Arrived Jul 29, 2013 NASA Turns 55