History of physics to simplify their production. In heliocentric models of the Solar system, the Earth orbits the Sun along with other bodies in Earth's galaxy, a contradiction according to the Greek-Egyptian astronomer Ptolemy (2nd century CE; see above), whose system placed the Earth at the center of the Universe and had been accepted for over 1,400 years. The Greek astronomer Aristarchus of Samos (c.310 – c.230 BCE) had suggested that the Earth revolves around the Sun, but Copernicus' reasoning led to lasting general acceptance of this "revolutionary" idea. Copernicus' book presenting the theory ("De revolutionibus orbium coelestium", "On the Revolutions of the
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