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Tumirid Empire

Painting of astronomers located at the Ulugh Beg Observatory in Samarkand, Uzbekistan. Source: LoggaWiggler / CC0

The Star-Gazing Sultan and His Ulugh Beg Observatory

The Ulugh Beg Observatory is an astronomical observatory located on a hill near Samarkand, in modern day Uzbekistan. This observatory, which is often considered to be one of the finest of its kind in...