who said sun is the center of the solar system

The astronomer best known for saying that the Sun is at the center of the solar system is Nicolaus Copernicus.

Quick Scoop

• Nicolaus Copernicus (1473–1543) was a Polish astronomer who proposed a heliocentric model, in which Earth and the other planets orbit the Sun.

• He published this idea in his famous book De revolutionibus orbium coelestium in 1543, which helped launch what is now called the Copernican Revolution.

• Although some earlier thinkers had suggested Sun-centered ideas, Copernicus created the first full mathematical model placing the Sun near the center and Earth in motion around it.

For school-style questions like “Who said the Sun is the center of the solar system?”, the expected one-word answer is: Copernicus.

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