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
The Royal Hunt of the Sun Music is a key element to this play, more so than any other by Peter Shaffer. He wanted strange and disturbing sounds produced on primitive instruments such as saws, reed pipes, drums (tablas and bongos) and cymbals to create the aural world of 16th Century Peru. Shaffer was so impressed with Marc Wilkinson's score for "The Royal Hunt Of The Sun", which he has described as "perhaps the best score for a play to be written since Grieg embellished "Peer Gynt"", that he now considers it integral to the play. The staging is relatively simple: an upper and lower part