• Sputnik 1

    Sputnik 1
    The Soviet satellite “Sputnik 1” is the first object sent into space and to successfully orbit the Earth
  • Laika

    a Soviet dog named Laika, is successfully sent into space for the first time
  • Explorer 1

    Explorer 1
    The first United States satellite to orbit the Earth – “Explorer 1” – is launched
  • NASA

    NASA is Formed
  • First Space Mission

    First Space Mission
    Soviet cosmonaut Yuri Gagarin becomes the first person in space
  • Apollo 11

    Apollo 11
    Apollo 11 crew member Neil Armstrong is the first man to walk on the moon. His fellow crew member Buzz Aldrin is right behind him, making him the second man to walk on the moon.
  • Alen Shepard

    Alen Shepard
    Alan Shepard becomes the first United States citizen in space
  • Voyager 2

    Voyager 2
    Voyager II, the first space probe to fly by the four gas giant planets – Jupiter, Saturn, Uranus, and Neptune – is launched.
  • 1st American Shuttle

    1st American 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

    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 successful exploration of the planet.
  • John Glenn

    John Glenn
    Astronaut John Glenn becomes the first United States citizen to orbit the Earth
  • 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