Source: wikibot/aristarchus-of-samos
= Aristarchus of Samos
{wiki=Aristarchus_of_Samos}
Aristarchus of Samos (c. 310 – c. 230 BCE) was an ancient Greek astronomer and mathematician known for his early and pioneering contributions to heliocentric theory—the idea that the Earth orbits the Sun, rather than the Earth being the center of the universe, as was commonly believed at the time.