Cosmology in medieval Islam empirical testing. His work thus marked a turning point in astronomy, which may be considered a "Scientific Revolution before the Renaissance". His rectified model was later adapted into a heliocentric model by Copernicus, which was mathematically achieved by reversing the direction of the last vector connecting the Earth to the Sun. In the published version of his masterwork, "De revolutionibus orbium coelestium", Copernicus also cites the theories of al-Battani and Averroes as influences. An area of active discussion in the Maragheh school, and later the Samarkand and Istanbul observatories, was the possibility of the Earth's rotation. Supporters of this theory
The Earth Sings Mi Fa Mi press release via Absolutepunk.net: "The title, "The Earth Sings Mi Fa Mi" was taken from a book written by a late 16th century astronomical theorist by the name of Johannes Kepler ["Harmonices Mundi"] and the publication just fascinated the band. Kepler’s theory suggested that each of the 9 planets in our solar system produced tones as they orbited the sun. Throughout the orbit, Venus would stay a consistent note that was considered the 6th in relation to the rest of the planets. As Earth would shift its tonality, it would create the effect of the notes moving from the major