Question: An imprecise but systematic determination of the magnitude of objects was introduced by which Greek astronomer, geographer, and mathematician?
Sentence (from "Autolycus of Pitane"): Autolycus of Pitane (Greek: Αὐτόλυκος ὁ Πιταναῖος ; c. 360 – c. 290 BC) was a Greek astronomer, mathematician, and geographer.
Relevant evidence: No