Which description best fits the mathematical model in Ptolemy's Almagest?
A medical model explaining disease by humors
A flat-Earth map without astronomical prediction
A heliocentric system centered on the Sun
An Earth-centered model predicting apparent celestial motions✓Correct answer
Explanation
Ptolemy organized a mathematical Earth-centered system to predict how celestial bodies appear to move. A heliocentric account puts the Sun at the center instead, while a flat Earth is not required by his geocentric astronomy.