Which are features of Copernicus'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.
Earth is fixed to a crystalline sphere.
Earth is fixed to a crystalline sphere.
All planets orbit the Sun at the same speed.
All planets orbit the Sun at the same speed.
The outer planets move in epicycles.
The outer planets move in epicycles.
The planets move in perfect circles.
The planets move in perfect circles.
The stars are fixed to an outer sphere.
The stars are fixed to an outer sphere.
The Sun is at the center.
Earth is fixed to a crystalline sphere.
The planets move in perfect circles.