Although Aristarchus Had Proposed a Heliocentric Model of the Solar

Multiple Choice

Although Aristarchus had proposed a heliocentric model of the solar system as early as the third century B.C.E., later astronomers rejected his model because

A) he had based his calculations on a circular orbit of the sun rather than an elliptical one.
B) it challenged religious views that placed the earth at the center of the universe.
C) he did not have knowledge of calculus, which made his calculations inaccurate.
D) the mathematical calculations on which he had based his model were lost, and subsequent astronomers were unable to replicate them.