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 had a significant stellar parallax.
The planets had a significant stellar parallax.
The planets were fixed to nested spheres.
The planets were fixed to nested spheres.
The planets were attached to crystalline surfaces.
The planets were attached to crystalline surfaces.
The planets spun on epicycles.
2 answers
The correct answer is: The planets spun on epicycles.
Which of the following describe Aristotle's model of the solar system? Select the three correct answers.(2 points)
Responses
Each planet spins on an epicycle.
Each planet spins on an epicycle.
The stars are attached to the outermost sphere.
The stars are attached to the outermost sphere.
Earth is at the center.
Earth is at the center.
The Earth was at a point slightly offset from the center.
The Earth was at a point slightly offset from the center.
The Sun is at the center.
The Sun is at the center.
Each planet is attached to a crystalline sphere.
Responses
Each planet spins on an epicycle.
Each planet spins on an epicycle.
The stars are attached to the outermost sphere.
The stars are attached to the outermost sphere.
Earth is at the center.
Earth is at the center.
The Earth was at a point slightly offset from the center.
The Earth was at a point slightly offset from the center.
The Sun is at the center.
The Sun is at the center.
Each planet is attached to a crystalline sphere.