What is the heliocentric model of the universe? Who proposed the heliocentric theory? In the heliocentric model, the sun is the static center of the universe and all of the planets revolve around it. It was proposed by Polish astronomer Nicolaus Copernicus in the 16th century, substituting the previously accepted geocentric model (where the Earth was considered the center). Here is how the heliocentric model of the universe came to be.
The Heliocentric Model of the Universe Explained
