Ulugh Beg Observatory
c. 1424–1429 · Work
On a hill outside Samarkand the astronomer-prince builds a three-storey observatory around a giant meridian sextant some 40 metres in radius, the finest instrument of its age.
On these timelines: Science & Technology, The Silk Road & the Steppe, Master, Arts and Thoughts, The Islamic Golden Age
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Around 1424
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