De revolutionibus orbium coelestium divided into six "books" (sections or parts), following closely the layout of Ptolemy's "Almagest" which it updated and replaced: Copernicus argued that the universe comprised eight spheres. The outermost consisted of motionless, fixed stars, with the Sun motionless at the center. The known planets revolved about the Sun, each in its own sphere, in the order: Mercury, Venus, Earth, Mars, Jupiter, Saturn. The Moon, however, revolved in its sphere around the Earth. What appeared to be the daily revolution of the Sun and fixed stars around the Earth was actually the Earth's daily rotation on its own axis. Copernicus adhered
The Creation of the Sun, Moon and Vegetation another image of God points towards the Sun with his right hand and toward the faint Moon with his left. His face expresses the force needed for the creation of the abode of living beings. The abstract patterns of drapery emphasize the motion of both figures of God. "The Creation of the Sun, Moon and Planets" is featured on the postage stamps of Vatican City (issue of 1994) and India (issue of 1975). The Creation of the Sun, Moon and Vegetation The Creation of the Sun, Moon and Vegetation, (sometimes The Creation of the Sun, Moon, and Plants or The