ocr: GEOCENTRIC WORLD VIEW In the Ptolemaic system the Earth was the centre, - - - - - - - which the celestial bodies orbited in the following order (the average distance from the Earth measured in Earth's radiuses is in brackets): The Moon (48), Mercury (115), Venus (623), the Sun (1,210), Mars (5,040,Jupiter (11,503), Saturn (17,026) and fixed This drawing of the Ptolemaic system is from stars (19,865). On their the year 1661. orbits each satellite moved around a small circle, epicycle, so that at its farthest point the Moon was as far away as Mercury was at its nearest, and at its farthest Mercu ...