timeline of discoveries of models of the universe

By ela.turgutoglu
  • Eudoxus and a geocentric universe
    500 BCE

    Eudoxus and a geocentric universe

    The ancient Greek mathematician Pythagoras suggested that the Earth is spherical
  • Ptolemy and epicycles
    150 BCE

    Ptolemy and epicycles

    Ptolemy knew that the planets don’t appear to orbit in perfect circles around the Earth.
  • Early forms of Newton’s laws
    1021

    Early forms of Newton’s laws

    The Iranian polymath Abū Rayḥān al-Bīrūnī realised that acceleration is related to non-uniform motion
  • Bradley and a moving Earth

    Bradley and a moving Earth

    Bradley and a moving Earth