<P> It was not until the 16th century that a geometric mathematical model of a heliocentric system was presented , by the Renaissance mathematician , astronomer , and Catholic cleric Nicolaus Copernicus , leading to the Copernican Revolution . In the following century , Johannes Kepler elaborated upon and expanded this model to include elliptical orbits , and Galileo Galilei presented supporting observations made using a telescope . </P>
<P> It was not until the 16th century that a geometric mathematical model of a heliocentric system was presented , by the Renaissance mathematician , astronomer , and Catholic cleric Nicolaus Copernicus , leading to the Copernican Revolution . In the following century , Johannes Kepler elaborated upon and expanded this model to include elliptical orbits , and Galileo Galilei presented supporting observations made using a telescope . </P>
who was responsible for the heliocentric theory that stated the earth revolved around the sun
who was responsible for the heliocentric theory that stated the earth revolved around the sun
Nicolaus Copernicus
Nicolaus Copernicus