Nicolaus Copernicus (1473 1543) was clearly a Renaissance polymath responsible for what many have known as the "Copernican Revolution." Among the most urgent commitments of Copernicus was in the zone of cosmology . Copernicus situated the sun at the center of the universe, rather than the planet Earth. The earlier framework , the Ptolemaic model, was geocentric (with the Earth at the center of the universe). In 1543, in his "On the Revolutions of the Celestial Spheres" he discharged the hypothesis of his (which he'd built up much before). While regardless he had the planets going in examples of circles rather contrasted with ovals, he hypothesized that these circles had nobody office. In spite of the fact that would be the focal point of gravity and furthermore the lunar circle, he expressed that the center of the Earth isn't the focal point of the universe. He made reference to that Earth is among 7 planets inside the nearby planetary group inside t...