In the Ptolemaic Model, the earth was the realm of nature and man, but the celestial sphere with its "fixed" stars was the Sun.
This is known to be the Model of the universe where Ptolemy was siad to have placed the Earth at the key point or main point of his geocentric model.
In the Ptolemaic Model, the earth was the realm of nature and man, but the celestial sphere with its "fixed" stars with different distances all appear to lie on the celestial sphere. The fixed star was the sun.
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