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Heliocentric Theory

Definition

The heliocentric theory is an astronomical model suggesting that all planets revolve around the sun which sits at the center of our solar system. This theory was first proposed by Nicholas Copernicus.

Analogy

Imagine you're at a concert where everyone's attention is focused on one main performer on stage - that's like how all planets focus their 'attention' or orbit around one main star - our Sun!

Related terms

Solar System: The collection of eight planets including earth and other celestial bodies orbiting around sun.

Orbit: The gravitationally curved path of an object around a point in space.

Revolution (astronomical): One complete trip along an orbit.



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© 2024 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.