Geocentric model coelestium" ("On the Revolutions of the Heavenly Spheres"), which posited that the Earth and the other planets instead revolved around the Sun. The geocentric system was still held for many years afterwards, as at the time the Copernican system did not offer better predictions than the geocentric system, and it posed problems for both natural philosophy and scripture. The Copernican system was no more accurate than Ptolemy's system, because it still used circular orbits. This was not altered until Johannes Kepler postulated that they were elliptical (Kepler's first law of planetary motion). With the invention of the telescope in 1609,
Central Churchmanship which are perceived as being extreme by Central Churchmen. F. A. Iremonger places William Temple among this group emphasizing that Temple had a firm hold on the articles of the historic creeds and a conviction that what is best in each school of thought within the Church is worth conserving. Perhaps the best known exponent of the Central Churchman position in the twentieth century was Geoffrey Francis Fisher, Archbishop of Canterbury from 1945 to 1961. Many other well-known English bishops, including Robert Stopford, Henry Montgomery Campbell, and Mervyn Haigh also favoured a Central Churchmanship approach, as a way of defusing