Put the Sun at the center
Polish astronomer (1473-1543) who moved Earth out of the center of the universe.
A canon, physician, and economist who did astronomy on the side, he worked out that Earth orbits the Sun — not the other way around. Terrified of ridicule, he sat on the idea for decades and only published as he lay dying.
Nicolaus Copernicus is one of the historical characters you can play as in Rubicon, a trivia game where you answer in your own words and an AI judge reads what you meant. Nicolaus Copernicus is filed under Natural Sciences, and is strongest at Earth & Space and Natural Sciences.