Tiltedspiralgalaxy

Outer Planets Events

By facebooker_100004045280563
  • Discovery of Io, Europa, Ganymede, Callisto

    Discovery of Io, Europa, Ganymede, Callisto

    Galileo found them using a telescope, it was an important step in proving Earth was NOT the center of the universe.
  • The Great Red Spot

    The Great Red Spot

    Jupiter's storm known as the Great Red Spot was discovered by Gian Domenico Cassini
  • Uranus Discovered

    Uranus Discovered

    Sir William Herschel first discovered Uranus
  • Neptune Discovered

    Neptune Discovered

    Urbain Le Verrier and John Couch Adams discovered using Uranus mathmatical tables.
  • Discovery of Triton

    Discovery of Triton

    Largest of Neptune's moons, discovered by WIlliam Lassel