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
geocentric

Answer 1

Here’s how the items can be categorized based on whether they relate to Aristotle's model, Ptolemy's model, or both:

Aristotle's model:

• planets fixed on nested spheres
• geocentric

Ptolemy's model:

• accurately predicted the positions of the planets
• planets fixed on epicycles
• geocentric (can apply to both models, but heavily emphasized in Ptolemy's model)

Both:

• geocentric (both models were geocentric)

This categorization highlights how both models placed the Earth at the center of the universe, but they differed in their descriptions of planetary motion.