20 points! will promote brainliest! raj made the timeline below to show the progression of thinkers who developed theories about the earth’s place in the universe. which thinker belongs at the beginning of raj’s timeline? aristotle kepler ptolemy thales

The correct answer is Ptolemy

Ptolemy was the first Astronomer and mathematician who believed that the earth was at the center of the universe.

The word Earth in Greek language is "geo"  and hence called as geocentric theory.

His predictions was not true though he tried to prove his ideas by using geometry.

None of his ideas were true still it was accepted by people for many years.

is this for the e2020 class

gold i'm pretty sure i might be wrong