Aristarchus Guide

: Like Anaxagoras before him, he suspected stars were other suns located at immense distances, explaining the lack of observable stellar parallax. Calculations vs. Reality

: In his only surviving work, On the Sizes and Distances of the Sun and Moon , he used geometry to estimate celestial dimensions. aristarchus

Aristarchus of Samos | The Ancient Mind That Moved the Earth : Like Anaxagoras before him, he suspected stars

: He theorized that the Sun and fixed stars remained stationary while the Earth rotated on its axis daily and revolved around the Sun annually. : Like Anaxagoras before him