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
Stranger to the Sun published as official "Buffy"/"Angel" merchandise. Stranger to the Sun Stranger to the Sun is an original novel based on the U.S. television series "Angel". Wesley opens a strange package that arrives by special delivery, which instantly sends him into a slumber. It seems likely he is the victim of a spell. Angel leaves with Gunn to investigate. They discover that other people who might be able to assist, such as magick-shop owners, have also fallen victim exactly like Wesley. Meanwhile Cordy is struggling to research without Wes available. She soon begins to uncover a plot to plunge Earth into eternal