ocr: HELIOCENTRIC WORLD VIEW The German-born Polish astronomer, Nicolas Copernicus (1473 - - 1543) was the first since Aristarchus to advance a neliocentric system. Copernicus noticed errors in the Ptolemaic system. The results of his investigations were published in 'De Revolutionibus. Copernicus rejected the geocentric conception of the universe. He said the Sun was the centre of the universe, and the planets orbited it on circular orbits. However, not even Copernicus could refute the epicycle theory. According to him the planets moved around a Copernicus was able to Sun small moved circle in on ...
