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For questions about events occurring in Greece and the immediate areas around it between 800 B.C. and 600 A.D.
5
votes
How did Eratosthenes know the distance between Aswan and Alexandria?
Based on the discussion of Eratosthenes' method in Daniel Špelda's Astronomie v Antice (Astronomy in Antiquity, ISBN 80-7225-210-0), the distance of 5000 stadia was estimated by Eratosthenes based on …