De revolutionibus orbium coelestium have begun work on his new system by that time. Most historians believe that he wrote the "Commentariolus" after his return from Italy, possibly only after 1510. At this time, Copernicus anticipated that he could reconcile the motion of the Earth with the perceived motions of the planets easily, with fewer motions than were necessary in the "Alfonsine Tables", the version of the Ptolemaic system current at the time. In particular, the heliocentric Copernican model made use of the Urdi Lemma developed in the 13th century by Mu'ayyad al-Din al-'Urdi, the first of the Maragha astronomers to develop a non-Ptolemaic
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