Question

Drag each item to indicate whether it is related to Aristotle's or Ptolemy's model of the solarsystem, or to both. Some items may be used twice.
(2 points)
A)
Why was the Copernican model a controversial proposition? Select the three correct answers.
(2 points)
It demoted Earth to just another planet.
It was a complex model.
It contradicted established scientific understanding.
It was not supported by observations.
It was mostly incorrect.
It contradicted religious doctrine of the time.
geocentric 
planets fixed on epicycles 
planets fixed on nested spheres 
accurately predicted the positions of the planets

Answer 1

**Related to Aristotle's Model:**
- planets fixed on nested spheres

**Related to Ptolemy's Model:**
- geocentric
- planets fixed on epicycles
- accurately predicted the positions of the planets

**Related to Both:**
- (None in this case, as those are specific to either model)

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**Why was the Copernican model a controversial proposition? Select the three correct answers:**
1. It demoted Earth to just another planet.
2. It contradicted established scientific understanding.
3. It contradicted religious doctrine of the time.