Solar System Model

  • 168

    Ptomley

    Ptomley proposed the Geocentric (Earth Centred) model of the Solar System. He believed that the Earth was orbited by the other celestial bodies (planets ad Sun).
  • 1543

    Copernicus

    Nicholaus Copernicus proposed the idea of the Heliocentric (Sun-Centered) model of the solar system. The planets, including Earth, all orbit the Sun (The moon still orbits the Earth).
  • Galileo