Which of the following describe Aristotle's model of the solar system? Select the three correct answers.(2 points)
Responses
The stars are attached to the outermost sphere.
The stars are attached to the outermost sphere.
The Earth was at a point slightly offset from the center.
The Earth was at a point slightly offset from the center.
Each planet is attached to a crystalline sphere.
Each planet is attached to a crystalline sphere.
The Sun is at the center.
The Sun is at the center.
Each planet spins on an epicycle.
Each planet spins on an epicycle.
Earth is at the center.
The correct answers are:
- The Earth was at a point slightly offset from the center.
- Each planet is attached to a crystalline sphere.
- Each planet spins on an epicycle.
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 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 correct answer is: The planets spun on epicycles.
Why was the geocentric model accepted for more than a thousand years?(1 point)
Responses
It was confirmed by astronomers using telescopes.
It was confirmed by astronomers using telescopes.
It correctly described the solar system.
It correctly described the solar system.
It correctly explained the motion of the planets.
It correctly explained the motion of the planets.
It correctly explained the distribution of the stars.
The correct answer is: It correctly explained the motion of the planets.
The three correct answers are:
1. Each planet is attached to a crystalline sphere.
2. The Earth was at a point slightly offset from the center.
3. Each planet spins on an epicycle.
The three correct answers that describe Aristotle's model of the solar system are:
1. The stars are attached to the outermost sphere.
2. The Earth was at a point slightly offset from the center.
3. Each planet is attached to a crystalline sphere.
To arrive at this answer, let's analyze each statement one by one:
- "The stars are attached to the outermost sphere": In Aristotle's model, the stars were believed to be attached to a celestial sphere outside of the planets and Earth. This model suggests that the stars are fixed in their positions and rotate together around the Earth.
- "The Earth was at a point slightly offset from the center": According to Aristotle's geocentric model, the Earth was not at the exact center of the universe, but rather slightly offset from it. This belief was based on observations of celestial motion and the idea that the Earth was imperfect and less divine than the heavens.
- "Each planet is attached to a crystalline sphere": Aristotle proposed that each planet, including the Sun and the Moon, was attached to a separate crystalline sphere. These spheres were thought to be made of a transparent substance, which allowed the celestial bodies to move in circular orbits around the Earth.
Therefore, the correct answers are: "The stars are attached to the outermost sphere," "The Earth was at a point slightly offset from the center," and "Each planet is attached to a crystalline sphere."