Space Exploration

  • Sputnik 1

    Sputnik 1 was the first aartifical satellite in space.
  • Period: to

    Space Exploration

  • Project Mercury

    Project Mercury was the first step to reaching the moon.
  • Alan B. Sheparad

    Alan B. Shepard was the first U.S. citizen in space.
  • Yuri A. Gagarin

    Yuri was the first human in space. He was a Soviet Cosmonaut.
  • John Glenn

    John Glenn was the first U.S. citizen to orbit Earth.
  • Project Gemini

    Project Gemini was the second step to reaching the moon.
  • Surveyor

    Surveyor landed on Earth's moon, proving it could support space craft and humans.
  • Project Apollo

    Apollo 11 landed on the moon. Niel Armstrong was the first human on the moon. His first words on the surface were, "That's one small step for man, one giant leap for mankind."
  • Skylab

    The U.S. lauched space station Skylab. Skylab fell out of orbit in 1979.
  • Galileo

    Space probe Galileo was lauched and reached Jupiter in 1995.
  • Cassini

    NASA lauched space probe Cassini. Cassini is on its way to Saturn where it will explore.