Aristotle

The physical cosmos imitates the spiritual cosmos.

The celestial sphere (the Good) finite, spherical, fixed, Earth at center The six planetary spheres (gods) thin, crystalline, concentric, no space between circular motion perpetual The sublunar sphere between the Earth and the orb of the moon change occurs only here The terrestrial sphere: finite, spherical, fixed, Earth at center
The six planetary spheres (gods) thin, crystalline, concentric, no space between circular motion perpetual The sublunar sphere between the Earth and the orb of the moon change occurs only here The terrestrial sphere: thin, crystalline, concentric, no space between; circular motion perpetual
The sublunar sphere between the Earth and the orb of the moon change occurs only here The terrestrial sphere: between the Earth and the orb of the moon; change occurs only here
The terrestrial sphere

Revised 17 March 2004 by Ralph