A bright crater on the moon

• An ancient Greek grammarian remembered for his commentary on the Iliad and Odyssey (circa 217-145 BC)
• Greek grammarian

Wikipedia Word definitions in Wikipedia
Aristarchus , named after the Greek astronomer Aristarchus of Samos , is a prominent lunar impact crater that lies in the northwest part of the Moon 's near side. It is considered the brightest of the large formations on the lunar surface, with an albedo ...