history of space exploration

  • Sputnik 1

    Sputnik 1
    The Soviet satellite “Sputnik 1” is the first object sent into space and to successfully orbit the Earth.
  • 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
    Russian citizen, Yuri Gagarin, is the first human in space. (he orbits the Earth)
  • Alan Shepard

    Alan Shepard
    Alan Shepard is the first United States citizen to go into space.
  • John Glenn

    John Glenn
    John Glenn is the first United States citizen to orbit the Earth.
  • Apollo

    Apollo 11 crew member Neil Armstrong is the first man to walk on the moon. His fellow Apollo astronaut crew member Edwin “Buzz” Aldrin is right behind him, becoming the second man to walk on the moon.
  • Human Habitation

    Human Habitation
    Human habitation in the International Space Station begins.
  • Re-usable Space craft

    Re-usable Space craft
    The first American space shuttle is launched. This marks the use of the first “re-usable” space craft.
  • Explosion of shuttle Challenger

    Explosion of shuttle Challenger
    The space shuttle Challenger explodes shortly after take-off.