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Space Dates Timeline

  • Sputnik 1

    Sputnik 1
    The soviet satellite "Sputnik 1" is the first object sent into space and to succesfully orbit the Earth.
  • First Earthling

    First Earthling
    The first "Earthling", a Soviet dog named Laika, is successfully sent into space.
  • Explorer 1

    Explorer 1
    The first United States satellite to orbit the Earth - "Explorer 1" - is launched.
  • NASA

    NASA (National Aeronautics and Space Administration) is formed.
  • Yuri Gagarin

    Yuri Gagarin
    Soviet Cosmonaut Yuri Gagarin becomes the first person in space. (He orbits the Earth)
  • Alan Shepard

    Alan Shepard
    Alan Shepard becomes the first United States citizen in space.
  • John Glenn

    John Glenn
    Astronaut John Glenn becomes the first United States citzen to orbit the Earth.
  • Neil Armstrong

    Neil Armstrong
    Apollo 11 crew member Neil Armstrong is the first man to walk on the moon. His fellow crew member Edwin "Buzz" Aldrin is right behing him, making him the second man to walk on the moon.
  • Voyager 2

    Voyager 2
    Voyager II, the first space probe to fly by the four gas giant planets- Jupiter, Saturn, Uranas, and Neptune- is launched.
  • Space Shuttle

    The first American space shuttle is launched. This is the first "re-usable" space craft in history.
  • Challenger

    The space shuttle Challenger explodes shortly after take-off, killing all of its crew members including the first teacher in space, Christa McAuliffe.
  • Hubble Space Telescope

    Hubble Space Telescope
    The Hubble Space telescope is launched into orbit around the Earth.
  • Pathfinder

    The un-manned American space probe "Pathfinder" lands on Mars and begins its sucessful exploration of the planet.
  • International Space Station

    International Space Station
    Human Habitation in the International Space Station begins.
  • Columbia

    The space shuttle Columbia explodes upon re-entry into the Earth's atmosphere.