• 139,000 BCE

    Big Bang

    (13.9 billion years ago) the universe exploded and created stars which were able to create our solar system/ everything else in the universe.
  • Period: 139,000 BCE to 137,000 BCE

    Large Scale

  • 137,000 BCE

    Stars Light Up

    (13.7 billion years ago) Stars formed from the elements brought from the big bang, gravity and irregularities in matter.
  • Period: 4000 BCE to

    Small Scale

  • 276 BCE

    Eratosthenes

    Made first measurement of the size of Earth
  • 85

    Ptolemy

    Discovered Geocentric View
  • 1473

    Copernicus

    Discovered Heliocentric View
  • 1546

    Brahe

    Known for accurate and comprehensive astronomical observations
  • 1561

    Bacon

    Father of Empiricism and contributed in Scientific Method.
  • 1564

    Galileo

    Observed Jupiter's moons.
  • 1571

    Kepler

    Known for his laws for planetary motion
  • Descartes

    First modern philosopher and Cartesian Skepticism was named after Descartes
  • Locke

    Believed all man was created equal and born as a tabula rasa.
  • Newton

    Created physics, gravity and made laws of motion.
  • Curie

    Discovers radium and polonium and created x-rays.
  • Leavitt

    Made devices to measure light which allowed for the measurement of distance between our planets.
  • Wegener

    Discovered how all land were once one and split apart called Pangea
  • Mendeleev

    Created the periodic table and predicted for more elements to be discovered.
  • Hubble

    Discovered that the universe is still expanding.
  • Hess

    Made the theory of Plate Tectonics.