★ ~ universe Under Ptolemy, Aristotle & different historic civilisations, the cosmos was described with the Earth on the centre. The Sun, Moon, planets & stars all rotated across the Earth. In 1543, the geocentric system met its first critical challenge with the publication of Copernicus’ De revolutionibus orbium coelestium(On the Revolutions of the Heavenly Spheres), which posited that the Earth and the opposite planets instead revolved across the Sun. The geocentric system was still held for a few years afterwards, as on the time the Copernican system didn’t offer better predictions than the geocentric system, and it posed problems for each pure philosophy and scripture.
You see, at sure instances, planets appear to reverse and move westward, as opposed to eastward, before resuming their normal path. Over time, due to the data of varied civilizations, from historic Babylonian and Egyptian astronomers, to the Mediterranean contemporaries, a formalized system started … Read More