High Quality Content by WIKIPEDIA articles On the Sizes and Distances (of the Sun and Moon) (Περὶ μεγεθῶν καὶ ἀποστημάτων ) is widely accepted as the only extant work written by Aristarchus of Samos, an ancient Greek astronomer who flourished circa 280-240 BC. This work calculates the sizes of the Sun and Moon, as well...