What is the major difference between the geocentric model and the heliocentric model?
Question 2 options:
a)
Greek Ptolemy created one model, and the Roman Copernicus created the other.
b)
Ptolemy's model had earth at the center of the universe, Copernicus' model had the sun at the center of the universe
c)
The geocentric model only had 5 planets and the heliocentric model had 7.
d)
The major difference is that we still use the Ptolemaic model today since the earth is the center of the universe.