Advanced Placement (AP) World History Practice Exam 2025 - Free AP World History Practice Questions and Study Guide

Question: 1 / 400

Who proposed a heliocentric model of the universe?

Galileo

Descartes

Copernicus

The heliocentric model of the universe, which positions the Sun at the center rather than the Earth, was proposed by Copernicus in the 16th century. His work, particularly the book "De revolutionibus orbium coelestium," fundamentally challenged the geocentric view that had dominated for centuries, which placed the Earth at the center of the universe. Copernicus' model laid the groundwork for future astronomical studies and was a key component of the Scientific Revolution. This idea ultimately influenced later scientists, such as Galileo, who provided observational support for heliocentrism, and Newton, who formulated the laws of motion and universal gravitation that explained the mechanics behind the heliocentric system.

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Newton

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