Ancient Astronomers

  • 240 BCE

    Erathosthenes invents longitude and lattitude

    in 240 BC he mesured the earth this is important because without longitude and latitude we wouldnt be able to have modern things like GPS
  • 100

    Ptolemy invents the ptolemic model

    this model helped showed the belief that the earth was the center of the universe without this model this theroy wouldnt have bee able to be disproven
  • 1543

    Copernicus invents the heliocentric model of the univere

    the model showed that the sun was the center of the universe.this pushed forward the idea that the sun was the center
  • 1577

    Tycho invents the great globe

    1.6 meters in diameter the "great globe" took 10 years to make.this was one of the first biggest globes made in the world
  • Joanas Kelper discovers astronomia nova

    this was the idea that the sun was the center of the universe this helped push start the scintfic revolution
  • Newtons law of gravity

    newtons law of gravity helped later with the moon and other plants gravitaional pull on the sun
  • Einstein discovers relativity

    the idea of relativity helped solve problems in the science community of his day and because of it we were able to develop quantum michanics