Physics
Hannahdidrah
36

Which of these assumptions is Ptolemy's model of planetary motion based on? The sun moves around the earth. The earth moves around the sun. The stars do not move. The earth is flat.

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Aizaquam

The sun moves around the earth. Ptolemy's model, also known as the geocentric model, assumed that Earth was at the center of the solar system and all other celestial bodies, including the Sun, revolved around it.

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