Sir Thomas Little Heath works of what ancient Greek astronomer and mathematician?
Aristarchus of Samos: Aristarchus of Samos ( ; Greek: Ἀρίσταρχος ὁ Σάμιος , "Aristarkhos ho Samios"; c. 310 – c. 230 BC) was an ancient Greek astronomer and mathematician who presented the first known model that placed the Sun at the center of the known universe with the Earth revolving around it (see Solar system).
i don't know