Can someone please help

hopefully this is it?

Geocentric system : According to the Encyclopedia Britannica, it is the theory of the structure of the solar system (or the universe) in which earth is assumed to be at the center of all. This was developed by Ptolemy of Alexandria, but later superseded by the heliocentric model

Heliocentric system : According to the Encyclopedia Britannica it is a model in which the sun is assumed to lie at or near a central point (of the solar system of the universe) while the earth and other bodies (planets) revolve around it. This model was credited to Nicolaus Copernicus.

answer; i believe that the correct answer is (chronological order);