Maragheh is an ancient city in East Azerbaijan Province, Iran.
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While briefly capital of Ilkhanid Iran, Maragheh once boasted the medieval world’s greatest observatory. Here brilliant mathematician NasruddinTusi accurately calculated the diameter of the earth, centuries before the Western world even guessed it was around. On a windswept hill 3km northwest of town, a modern observatory occupies the site where the original was during Tamerlane’s ravages.
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