How did Ptolemy's model of the solar system explain the apparent changes in speed and direction of the planets?(1 point)
Responses
The planets were attached to crystalline surfaces.
The planets were attached to crystalline surfaces.
The planets had a significant stellar parallax.
The planets had a significant stellar parallax.
The planets spun on epicycles.
The planets spun on epicycles.
The planets were fixed to nested spheres.
1 answer
The planets spun on epicycles.