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
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