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 fixed to nested spheres.
The planets were fixed to nested spheres.
The planets had a significant stellar parallax.
The planets had a significant stellar parallax.
The planets were attached to crystalline surfaces.
The planets were attached to crystalline surfaces.
The planets spun on epicycles.
5 answers
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
The Sun is at the center.
The Sun is at the center.
Each planet is attached to a crystalline sphere.
Each planet is attached to a crystalline sphere.
Each planet spins on an epicycle.
Each planet spins on an epicycle.
The Earth was at a point slightly offset from the center.
The Earth was at a point slightly offset from the center.
The stars are attached to the outermost sphere.
The stars are attached to the outermost sphere.
Earth is at the center.
Responses
The Sun is at the center.
The Sun is at the center.
Each planet is attached to a crystalline sphere.
Each planet is attached to a crystalline sphere.
Each planet spins on an epicycle.
Each planet spins on an epicycle.
The Earth was at a point slightly offset from the center.
The Earth was at a point slightly offset from the center.
The stars are attached to the outermost sphere.
The stars are attached to the outermost sphere.
Earth is at the center.
The Sun is at the center.
Each planet is attached to a crystalline sphere.
The stars are attached to the outermost sphere.
Each planet is attached to a crystalline sphere.
The stars are attached to the outermost sphere.
Why was the geocentric model accepted for more than a thousand years?(1 point)
Responses
It correctly explained the distribution of the stars.
It correctly explained the distribution of the stars.
It was confirmed by astronomers using telescopes.
It was confirmed by astronomers using telescopes.
It correctly explained the motion of the planets.
It correctly explained the motion of the planets.
It correctly described the solar system.
Responses
It correctly explained the distribution of the stars.
It correctly explained the distribution of the stars.
It was confirmed by astronomers using telescopes.
It was confirmed by astronomers using telescopes.
It correctly explained the motion of the planets.
It correctly explained the motion of the planets.
It correctly described the solar system.
It correctly explained the motion of the planets.