ocr: GEOCENTRIC WORLD VIEW The Egyptians had adopted the idea that the daily (or rather nightly) circular motion of the stars was caused by the fact that the Earth rotates around its axis; Heraclides (c. 388-3 315 BC) imported this idea to Greece. He also put forth the idea that Mercury and Venus circle the Sun, but the Sun and the outer planets Mars, Jupiter and Saturn move around the Earth. THE FIRST HELIOCENTRICSYSTEM As far as is known, the Greek astronomer Aristarchus (c.320-250BC) was the first to propose that the Earth revolves around the Sun and not vice versa. He also calculated the Sun's ...
