Which are features of Copernicus's model of the solar system? Select the three correct answers.(1 point)
Responses
All planets orbit the Sun at the same speed.
All planets orbit the Sun at the same speed.
The stars are fixed to an outer sphere.
The stars are fixed to an outer sphere.
The Sun is at the center.
The Sun is at the center.
The planets move in perfect circles.
The planets move in perfect circles.
Earth is fixed to a crystalline sphere.
Earth is fixed to a crystalline sphere.
The outer planets move in epicycles.
The three correct features of Copernicus's model of the solar system are:
1. The Sun is at the center.
2. The stars are fixed to an outer sphere.
3. The planets move in perfect circles.