Ancient to Modern Day Space Exploration.

  • 384

    Aristotle 384-322 BCE

    Aristotle 384-322 BCE
    Aristotle was a greek philosopher, 384-322 BCE. Belived in geocentric model, because he could not see paralax. Used the naked eye. Aristotle was born circa 384 B.C. in Stagira, Greece. When he turned 17, he enrolled in Plato’s Academy.
  • 384

    heliocentric

    heliocentric
    All the planets revolve around the sun. The sun is at the center.
    current model.
  • 384

    geocentric

    geocentric
    All the planets revolve around the earth. Earth is at the center.
    Early models. Observed with the naked eye.