The geocentric model is an ancient astronomical theory that places Earth at the center of the universe, with all other celestial bodies orbiting around it. This model was widely accepted until the 16th century when the heliocentric model, which positions the Sun at the center, began to gain prominence due to the work of astronomers like Copernicus and Galileo.

Geocentric Model

geocentric model

ancient astronomical theory

Earth at the center of the universe

celestial bodies orbiting around it

The heliocentric model is a cosmological theory that places the Sun at the center of the solar system, with planets, including Earth, orbiting around it. This model revolutionized our understanding of the universe by challenging the geocentric model, which posited Earth as the center of all celestial orbits.

heliocentric model

Sun at the center

work of astronomers

Copernicus

Galileo Galilei was an Italian astronomer, physicist, and engineer whose pioneering observations and experiments laid the foundation for modern physics and astronomy. His support for the heliocentric model of the solar system and use of the telescope to study celestial bodies challenged established doctrines and marked a significant shift in scientific thought during the Renaissance.

Galileo

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