Introducing
Your new presentation assistant.
Refine, enhance, and tailor your content, source relevant images, and edit visuals quicker than ever before.
Trending searches
Proposed a sun-centered heliocentric, model of the solar system. The planets revolved around the sun in the same direction but at different speeds and distances from the sun. The Copernican system gave a truer picture than the older Ptolemy system.
The first principle in Ptolemaic model is an eccentric motion. A body traveling at uniform speed on a circular path with the Earth at its center will sweep out equal angles in equal times. But if the path's center is displaced from the Earth, the body will sweep out equal angles in unequal times, moving slowest when farthest from the Earth and fastest when nearest the Earth.
He thought that the planets moved in small circles, called epicycles, as they revolved in larger circles around Earth
Copernicus put the Sun in the center of the celestrial spheres, but he didn't put it at the exact center of the universe. he thought the Earth is another planet revolving around the Sun once a year and turning on its axis once a day.