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
Sun goddess of the Earth The Weather god of Nerik was her son with the god , while the Weather god of Zippalanda was her son by the . The Sun goddess of the Earth, as a personification of the chthonic aspects of the Sun, had the task of opening the doors to the Underworld. She was also the source of all evil, impurity, and sickness on Earth. In the Hurrian-Hittite "Song of the Ransom," the Sun goddess of the Earth / Allani invites the king of the gods, Tarḫunna/Teššub and his brother Šuwaliyat/Tašmišu to a feast in the Underworld and dances before them. Otherwise