Space Exploration Timeline By Mc20372 Jan 1, 1840 First clear telescopic image of another world- the Moon Mar 16, 1926 Goddard launches the first liquid-feuled rocket Oct 3, 1942 Soviet Unions first vehicle to cross the Karman Line and therefore enter outer space May 10, 1946 First U.S. Space research flight Oct 24, 1946 First pictures of Earth from 65 miles away Oct 4, 1947 Soviet Union launched the first satellite, Sputnik, into outer space May 5, 1961 Astronaut Yuri Gagarin became the first human in space. (Russia) Feb 20, 1962 Astronaut John Glenn became the first human orbit Jul 20, 1969 Neil Armstrong and Buzz Aldrin became the first men on the moon May 14, 1973 The U.S. Launched its first space station, Skylab. Jan 28, 1986 The space shuttle, Challenger, explodes seconds after liftoff Feb 1, 2003 Space shuttle Columbia broke up on re-entry into the earths atmosphere Mar 6, 2009 Kepler mission is launched; first space telescope designed to look for Earth-like exoplanets Jul 16, 2011 First orbit of giant asteroid; Vesta Aug 25, 2012 First man made probe in interstellar space