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Glossary term: Copernican Revolution

Description: The Copernican Revolution refers to the replacement of the geocentric (Earth-centered) model of visualizing the Solar System with a heliocentric (Sun-centered) model. The geocentric model was the consensus for close to two millennia, even though some believed that it was not accurate. This shift provided a realistic and accurate description of the motions of planets, stars, and other celestial objects in the sky. The geocentric model is still used for explaining concepts related to the celestial sphere. The Copernican Revolution is named after Nicolaus Copernicus, who described the heliocentric model in his seminal work De revolutionibus orbium coelestium. Although it is often claimed Immanuel Kant was the first to use the term Copernican Revolution, the accuracy of this claim is debated.

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Term and definition status: This term and its definition is still awaiting approval

The OAE Multilingual Glossary is a project of the IAU Office of Astronomy for Education (OAE) in collaboration with the IAU Office of Astronomy Outreach (OAO). The terms and definitions were chosen, written and reviewed by a collective effort from the OAE, the OAE Centers and Nodes, the OAE National Astronomy Education Coordinators (NAECs) and other volunteers. You can find a full list of credits here. All glossary terms and their definitions are released under a Creative Commons CC BY-4.0 license and should be credited to "IAU OAE".