Global Earth History
Plane Not A Planet 300 BC; Greek Philosophers Plato and Aristotle models Geocentric Theory with Earth as a Sphere. Aristotle publishes in his book “On the Heavens”. 200 BC; Greek Aristarchus of Samos placed Earth and other planets in motion around the central Sun but rejected by Aristotleans. 140 CE; Cladius Ptolemy of Alexandria devised complex … Read More