Solar System Discoveries

By RyanP
  • Period: to

    discovery of Jupiter, Saturn, Neptune and Uranus

    made up of gas, many moons, all have rings, big

  • Johannes Kepler

    discovered that the planets orbit the sun because of gravaty and inertia

  • discovery of saturn

    made up of gas, many moons, all have rings, big

  • discovery of Jupiter

    made up of gas, many moons, all have rings, big

  • discovery of Uranus

    made up of gas, many moons, all have rings, big

  • discovery of Neptune

    made up of gas, many moons, all have rings, big
  • Period: to

    comets, asteroids, and meteoroids

    Comets: rocks, ice, dust
    asteroids: reflect the light emitted from the sun, and are therefore star-like, shiny objects
    meteoroids: weird shapes, high density, made of stone and iron

  • discovery of pluto

    pluto is made up of ice not gas, 1 moon, smallest planet, no rings
  • Period: to

    Discovery of Earth, Mercury, Venus, Mars

    dense, rocky composition, few or no moons, smaller planets, and lack of ring systems