Different Theories About The Universe
Heliocentric
Copernicus
Planetary theory
Developed by
Ptolemy
Mathematical scheme used to calculate position of planets,sun and moon
Ptolemy 's version of the universe structure
eight shells
no empty space
Geocentric
Believed by
Plato
Pythagoras
Aristotle
used rational thought with observation
First Scientist
The earth is the center of the universe
Aristotle's version of the universe structure
Divided into two domains
Earthly realms
earth,air,fire and water
The heavenly
56 interconnecting cells