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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.
Aristotle does not belong in the list because he did not make significant contributions to the field of astronomy like the others did. Galileo, Kepler, and Copernicus are known for their revolutionary work in advancing our understanding of the universe through their observations and theories.
Copernicus' model is simpler than Ptolemy's because it places the sun at the center of the solar system, with planets orbiting around it in nearly circular paths. This heliocentric model eliminates the need for complex epicycles, which Ptolemy used in his geocentric model to explain the retrograde motion of planets. Copernicus's model also provides a more elegant explanation for the observed movements of celestial bodies.
Galileo used more advanced technology to find stronger observational evidence than Copernicus was ever able to provide.
Galileo used more advanced technology to find stronger observational evidence than Copernicus was ever able to provide.