Copernicus Veiw - Heliocentrism

For almost 2000 years the Western World saw the solar system as earth centered, geocentric, this is thanks to Aristotle and Ptolemy. This not change until the 16th Centuary when, Nicolaus Copernicus would suggest his heliocentric model.

In his book On the Revolution of the Heavenly Bodies, which was pulished as Copernicus was on his deathbed. He proposed that the sun was the centre of the solar system, not the earth. This is called a heliocentric system or model.

In this ordering Earth is just another planet and the Moon orbits the Earth, not the sun.