Astronomy History

By 17dbrodhag

  • Galileo's discovers

    4 jovian moons, moons craters, and the Milky Way Galaxy

  • Keplers first two laws of planetary motion

    Kepler explains how the planets move around the sun.

  • Newton Telescope

    He bulit the first reflecting Telescope

  • Hertzsprung

    he discovers giant and dwarf stars

  • Sputnik (russian satellite)

    First man-made satellite

  • Yuri Gargarin- first man in space

    Russians sent first cosmonaut in space.

  • First man on moon

    Neil Armstong walks on the moon (USA)

  • Challenger Disaster

    The challenger blew up right before take off.

  • Galileo Spacecraft discovers orgin of Jupiters rings

    discovers orgin of Jupiters rings. The dust was kicked off of small moons that surrounded Jupiter.

  • First man made object to leave the solar system

    Voyager spacecraft, launched in the 70's, leaves our solar system