<P> The Copernican Revolution was the paradigm shift from the Ptolemaic model of the heavens , which described the cosmos as having Earth stationary at the center of the universe , to the heliocentric model with the Sun at the center of the Solar System . Beginning with the publication of Nicolaus Copernicus 's De revolutionibus orbium coelestium , contributions to the `` revolution '' continued until finally ending with Isaac Newton 's work over a century later . </P>
<P> The Copernican Revolution was the paradigm shift from the Ptolemaic model of the heavens , which described the cosmos as having Earth stationary at the center of the universe , to the heliocentric model with the Sun at the center of the Solar System . Beginning with the publication of Nicolaus Copernicus 's De revolutionibus orbium coelestium , contributions to the `` revolution '' continued until finally ending with Isaac Newton 's work over a century later . </P>
who proved that mar 's orbit is elliptical not circular
who proved that mar 's orbit is elliptical not circular
Nicolaus Copernicus
Nicolaus Copernicus