The Ulugh Beg Observatory and the Zij-i Sultani

1420 CE · Semerkand · science

The astronomer-sultan Ulugh Beg founded at Samarkand the largest observatory after that of Maragha; Ghiyath al-Din al-Kashi, Qadizada al-Rumi and Ali Qushji worked there.

The star catalogue Zij-i Ulugh Beg (Zij-i Sultani), completed in about 1437-1440, influenced world astronomy until the age of the telescope. **Significance:** one of the summits of medieval Islamic-Turkic science and a milestone in observational astronomy.

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Source: Wikipedia

Frequently asked questions

What was The Ulugh Beg Observatory and the Zij-i Sultani?
The astronomer-sultan Ulugh Beg founded at Samarkand the largest observatory after that of Maragha; Ghiyath al-Din al-Kashi, Qadizada al-Rumi and Ali Qushji worked there.
When did The Ulugh Beg Observatory and the Zij-i Sultani happen?
1420 CE
Where did The Ulugh Beg Observatory and the Zij-i Sultani take place?
Semerkand