When was the Ulugh Beg Observatory completed?
The structure of the Ulugh Beg Observatory was completed around 1428 AD. Ulugh Beg laid the foundation for this site in the earlier half of the 1420s.
Questions about Ulugh Beg Observatory
Short answers, pulled from the story.
Who served as the final director of the Ulugh Beg Observatory?
Ali Qushji eventually led the observatory as its final director after Ghīyāth al-Dīn Jamshid al-Kashi and Qadi Zada held previous leadership roles. Political instability within the empire contributed to the end of his tenure when Ulugh Beg was assassinated around 1449.
What are the dimensions of the Fakhrı sextant at the Ulugh Beg Observatory?
The radius of the Fakhrı sextant measured 40.04 meters making it the largest instrument globally. Divisions on the sextant measured 70.2 cm representing one degree while marks every 11.7mm indicated one minute.
Where did Russian archaeologist Vassily Vyatkin discover the remains of the Ulugh Beg Observatory?
Russian archaeologist Vassily Vyatkin uncovered the remains of the observatory in 1908. Only foundations and buried parts of the marble quadrant remain visible today at the site in Samarkand.
Why was the original structure of the Ulugh Beg Observatory destroyed?
Ulugh Beg's own son Abd al Latif assassinated him around 1449 which caused chaos inside the observatory walls. The building itself was destroyed shortly after this assassination event.