Nicolaus Copernicus "Almagest" circa 150 CE; the Earth was the stationary center of the universe. Stars were embedded in a large outer sphere which rotated rapidly, approximately daily, while each of the planets, the Sun, and the Moon were embedded in their own, smaller spheres. Ptolemy's system employed devices, including epicycles, deferents and equants, to account for observations that the paths of these bodies differed from simple, circular orbits centered on the Earth. Copernicus' major work on his heliocentric theory was "Dē revolutionibus orbium coelestium" ("On the Revolutions of the Celestial Spheres"), published in the year of his death, 1543. He had
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