Mars (diameter 6790 kilometers) is only slightly more than half the size of Earth (diameter 12750 kilometers).
Answer:
copernicus's idea of the solar system had an idea of the sun in the middle aka heliocentric model, and Ptolemy's model aka the geocentric model has the Earth located in the center
Explanation:
I had this lesson earlier this school year
I think it is A, hope this helped.
