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What revolutionary model did Nicolaus Copernicus propose?

Geocentric model of the universe

Heliocentric model of the solar system

Nicolaus Copernicus proposed the heliocentric model of the solar system, which posits that the sun is at the center of the universe, and that the Earth and other planets orbit around it. This was a revolutionary departure from the long-held geocentric model, which asserted that the Earth was the center of the universe and that all celestial bodies revolved around it.

The heliocentric model fundamentally changed the way we understand our place in the cosmos, laying the groundwork for modern astronomy. It challenged established beliefs and encouraged further scientific inquiry, ultimately leading to the developments by later astronomers such as Galileo and Kepler. This shift in perspective was crucial in advancing the scientific revolution and is a key concept in the history of science.

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Quadricentric model of planetary motion

Geostationary satellites theory

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