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27/10/1449 Sultan astronomer dies


Ulugh Beg - Sultan of the Stars (Samarkand's Observatory)


Ulugh Beg The Man Who Unlocked The Universe

Ruler of the Timurid Empire, astronomer and mathematician Ulugh Beg was born. He was a grandson of a cruel Turco-Mongol conqueror Timur and heir of his empire. But his greatest interests were mathematics and astronomy. He built a large observatory with a very accurate sextant. He used it for creation of a star catalogue and precise measurement of the length of the year.