1. Aristarchus - Noun
2. Aristarchus - Proper noun
a bright crater on the Moon
an ancient Greek grammarian remembered for his commentary on the Iliad and Odyssey (circa 217-145 BC)
Source: WordNetFlemish astronomer Godefroy Wendelin repeated Aristarchus' measurements in 1635, and found that Ptolemy's value was too low by a factor of at least eleven. Source: Internet
In the 3rd century BC Aristarchus of Samos was the first to suggest a heliocentric system, although only fragmentary descriptions of his idea survive. Source: Internet
Astronomy main Aristarchus of Samos published work on how to determine the sizes and distances of the Sun and the Moon, and Eratosthenes used this work to figure the size of the Earth. Source: Internet
He was one of the ten Attic orators included in the "Alexandrian Canon" compiled by Aristophanes of Byzantium and Aristarchus of Samothrace in the third century BC. Source: Internet
Aristarchus of Samos in the third century BC said, "The fixed stars and the sun remain unmoved, and the earth revolves about the sun on the circumference of a circle, the sun lying in the middle of the orbit." Source: Internet
Aristarchus was known for his conservative selection of material. Source: Internet