Different Theories About The Universe

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Early Scientists

Ved Omar Kassem

Early Scientists

Ved Omar Kassem

Approaches to determine the center of the universe

Ved Shady El Tantawy

The Changes of Perspectives Concerning the Universe

Ved Sara Shaarawi

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