show the earth's orbit around the sun
Earth's orbit
Heliocentrism is the scientific model that first placed the Sun at the center of the Solar System and put the planets , including Earth , in its orbit . Historically , heliocentrism is opposed to geocentrism , which placed the Earth at the center . Aristarchus of Samos already proposed a heliocentric model in the 3rd century BC . In the 16th century , Nicolaus Copernicus ' De revolutionibus presented a full discussion of a heliocentric model of the universe in much the same way as Ptolemy had presented his geocentric model in the 2nd century . This `` Copernican revolution '' resolved the issue of planetary retrograde motion by arguing that such motion was only perceived and apparent . `` Although Copernicus 's groundbreaking book ... had been ( printed ) over a century earlier , ( the Dutch mapmaker ) Joan Blaeu was the first mapmaker to incorporate his revolutionary heliocentric theory into a map of the world . ''
Heliocentrism is the scientific model that first placed the Sun at the center of the Solar System and put the planets , including Earth , in its orbit . Historically , heliocentrism is opposed to geocentrism , which placed the Earth at the center . Aristarchus of Samos already proposed a heliocentric model in the 3rd century BC . In the 16th century , Nicolaus Copernicus ' De revolutionibus presented a full discussion of a heliocentric model of the universe in much the same way as Ptolemy had presented his geocentric model in the 2nd century . This `` Copernican revolution '' resolved the issue of planetary retrograde motion by arguing that such motion was only perceived and apparent . `` Although Copernicus 's groundbreaking book ... had been ( printed ) over a century earlier , ( the Dutch mapmaker ) Joan Blaeu was the first mapmaker to incorporate his revolutionary heliocentric theory into a map of the world . ''