Which of the following describe Aristotle's model of the solar system? Select the three correct answers.(2 points)

a. Each planet spins on an epicycle.
b. Each planet is attached to a crystalline sphere.
c. The stars are attached to the outermost sphere.
d. Earth is at the center.
e. The Sun is at the center.
f. The Earth was at a point slightly offset from the center.

a. Each planet spins on an epicycle.

b. Each planet is attached to a crystalline sphere.
f. The Earth was at a point slightly offset from the center.

How did Ptolemy's model of the solar system explain the apparent changes in speed and direction of the planets?(1 point)

a. The planets had a significant stellar parallax.
b. The planets spun on epicycles.
c. The planets were fixed to nested spheres.
d. The planets were attached to crystalline surfaces.

b. The planets spun on epicycles.

Why was the geocentric model accepted for more than a thousand years?(1 point)

a. It correctly explained the distribution of the stars.
b. It correctly explained the motion of the planets.
c. It correctly described the solar system.
d. It was confirmed by astronomers using telescopes.

b. It correctly explained the motion of the planets.

Which is a correct statement about the development of Copernicus's model after his death?(1 point)

a. Copernicus was nominated for an early Nobel prize for Astronomy.
b. His model was immediately accepted enthusiastically by his peers.
c. Galileo disproved the model.
d. His model was not accepted until many years later.

d. His model was not accepted until many years later.

In 1543, a model of the solar system was published that put the Sun in the center of the solar system, and demoted Earth to just another planet. This model was proposed by which astronomer?(1 point)

a. Ptolemy
b. Copernicus
c. Galileo
d. Aristotle

b. Copernicus

Which describes the geocentric model of the solar system?(1 point)

a. a model in which the Sun is at the center of the solar system
b. a model in which Earth is at the center of the solar system
c. a model in which Mercury is at the center of the solar system
d. a model in which Jupiter is at the center of the solar system