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Today, I wanted to talk about the history of the heliocentric model. After all, Copernicus’ most notable accomplishment is probably his proposed heliocentric, or sun-centered, model for the universe.

Before heliocentrism was proposed, Earth was thought to be at the center of the universe. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

A theory about gravity challenges our understanding of the universe. For millennia, humans held a beautiful belief. Our planet, Earth, was at the center of a vast universe, and all of the planets and ...