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Ptolemy considered the solar system (and the universe) to be a set of crystal concentric spheres rotating around the stationary Earth at its centre.
On the closest sphere was the moon, then Venus and so on out to the stars on the outer sphere. At the time they didn't have any idea how incredibly big everything is.
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FranPtolemy's model of the universe, known as the geocentric model, placed Earth at the center of the universe with all celestial objects orbiting around it. This model was widely accepted in ancient times until it was later replaced by the heliocentric model proposed by Copernicus.
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What was foundation of Ptolemys geocentric model of the universe?
Earth was the center of the universe
Who contradicted Ptolemys geocentric model?
The heliocentric model proposed by Nicolaus Copernicus contradicted Ptolemy's geocentric model. Copernicus suggested that the Sun, rather than the Earth, was at the center of the solar system.
What was ptolemys biggest discovery?
Ptolemy's biggest discovery was his geocentric model of the universe, which believed that the Earth was at the center of the universe with planets and stars moving around it in circular orbits. This model dominated Western astronomy for over a thousand years.
Who developed ideas that contradicted Ptolemys geocentric model of the universe?
Scientists such as Nicolaus Copernicus and Galileo Galilei developed ideas that contradicted Ptolemy's geocentric model of the universe. Copernicus proposed a heliocentric model with the sun at the center, while Galileo's observations through a telescope supported this idea, leading to the eventual acceptance of the heliocentric model.
What year was ptolemys world map made in?
his map was made in 1482. and used by cristpher colombus.
