Which of the following describe Aristotle's model of the solar system? Select the three correct answers.(2 points)
Responses
Each planet is attached to a crystalline sphere.
Each planet is attached to a crystalline sphere.
The Earth was at a point slightly offset from the center.
The Earth was at a point slightly offset from the center.
Earth is at the center.
Earth is at the center.
Each planet spins on an epicycle.
Each planet spins on an epicycle.
The Sun is at the center.
The Sun is at the center.
The stars are attached to the outermost sphere.
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.
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 spun on epicycles.
The planets spun on epicycles.
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 correct answer is: The planets spun on epicycles.
Why was the geocentric model accepted for more than a thousand years?(1 point)
Responses
It correctly explained the motion of the planets.
It correctly explained the motion of the planets.
It was confirmed by astronomers using telescopes.
It was confirmed by astronomers using telescopes.
It correctly explained the distribution of the stars.
It correctly explained the distribution of the stars.
It correctly described the solar system.
The correct answer is: It correctly explained the motion of the planets.
The 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.
To identify the three correct descriptions of Aristotle's model of the solar system, we can analyze each statement given:
1. "Each planet is attached to a crystalline sphere."
The planets in Aristotle's model were believed to be attached to separate crystalline spheres. This statement correctly describes his model.
2. "The Earth was at a point slightly offset from the center."
According to Aristotle's model, Earth was not placed at the exact center of the solar system but was slightly offset from it. This statement correctly describes his model.
3. "Earth is at the center."
This statement is incorrect. In Aristotle's model, Earth was not considered to be at the center of the solar system, but rather at a point slightly offset from the center.
4. "Each planet spins on an epicycle."
Aristotle's model included the idea of epicycles, which were smaller circles on which planets were believed to move. This statement correctly describes his model.
5. "The Sun is at the center."
This statement is incorrect. In Aristotle's model, the Sun was not considered to be at the center of the solar system.
6. "The stars are attached to the outermost sphere."
In Aristotle's model, the stars were believed to be situated on the celestial sphere, which was the outermost sphere. This statement correctly describes his model.
From the given statements, the three correct descriptions of Aristotle's model of the solar system are:
- Each planet is attached to a crystalline sphere.
- The Earth was at a point slightly offset from the center.
- Each planet spins on an epicycle.