Responses
Both models are geocentric.
Both models are geocentric.
Ptolemy believed the other planets orbited the earth in a “circle upon circle” motion known as an epicycle, sort of like a bicycle wheel.
Ptolemy believed the other planets orbited the earth in a “circle upon circle” motion known as an epicycle, sort of like a bicycle wheel.
Both models said that the planets always traveled at the same speed throughout their orbit.
Both models said that the planets always traveled at the same speed throughout their orbit.
Aristotle believed the planets circle the Earth in set, crystalline spheres.
1 answer
The statement that is FALSE is:
"Both models said that the planets always traveled at the same speed throughout their orbit."
This statement is inaccurate because while Aristotle's model did imply uniform circular motion (which would suggest constant speed), Ptolemy's model introduced the concept of epicycles to account for the varying speeds of the planets, which means that not all the planets were thought to travel at the same speed in Ptolemy's model.
