Drag each item to indicate whether it is related to Aristotle's or Ptolemy's model of the solar system, or to both. Some items may be used twice.(2 points)

Question

Aristole's model Ptolemy's model

accurately predicted the positions of the planets
planets fixed on epicycles
planets fixed on nested spheres
geocenetric

Answer 1

Here’s how the items relate to Aristotle's and Ptolemy's models of the solar system:

Aristotle’s model:

• planets fixed on nested spheres
• geocentric

Ptolemy’s model:

• accurately predicted the positions of the planets
• planets fixed on epicycles
• geocentric (this is common to both models)

Both:

• geocentric

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