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
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