Alhazen, a scientist in the medieval Arab, held the similar view. For example, Aryabhata, a mathematician-astronomer in the medieval India adopted the geocentric model but insisted that the earth rotates about its axis daily. Strictly speaking, the question whether it is the Sun or the Earth that moves is different from the question whether the center of the universe is the Sun or the Earth. The geocentric model had been the dominant cosmology compatible with Christianity in Europe until the 16th century.
Some ancient Greek philosophers, notably Aristarchus of Samos proposed a heliocentric model, but they were in a minority. That is why the geocentric model was supported from ancient times. It is quite natural for us to assume the Earth is at rest and all the heavenly bodies in the sky. Did the Copernican theory have scientific rationality? What is the background of geocentrism and heliocentrism?ġ. Why did Neoplatonism result in the geocentric model?
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