Orrery on display in Kassel at the Astronomisch-Physikalisches Kabinett and in Dresden at the Mathematisch-Physikalischer Salon. In "De revolutionibus orbium coelestium", published in Nuremberg in 1543, Nicolaus Copernicus challenged the Western teaching of a geocentric universe in which the Sun revolved daily around the Earth. He observed that some Greek philosophers had proposed a heliocentric universe. This simplified the apparent epicyclic motions of the planets, making it feasible to represent the planets' paths as simple circles. This could be modelled by the use of gears. Tycho Brahe's improved instruments made precise observations of the skies (1576–1601), and from these Johannes Kepler
Pursuit of the Sun & Allure of the Earth recent Woods of Ypres concerts. Only "The Sun Was in My Eyes (Part I)" has been documented as a full setlist addition since 2009, though shortened versions of "Summer's Envy" & "The Ghosts of Summers Past" have been played in a medley style occasionally in the band's later years. Pursuit of the Sun & Allure of the Earth Pursuit of the Sun & Allure of the Earth is the first full-length album by the Canadian black metal band Woods of Ypres. It was recorded in 2004 at Spectre Sound in Tecumseh, Ontario. This marked Woods of Ypres' first release with