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A library beneath the stars
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Ages 7–9Nasir al-Din al-Tusi was an astronomer associated with the observatory at Maragha.
Al-Tusi and Qutb al-Din al-Shirazi were among the scholars associated with Maragha.
He prepared the Ilkhanid Tables and a catalog of fixed stars.
1001 Inventions reports that his tables and star catalog remained in use for centuries.
PAUSE & WONDER
How does organizing observations help other people use them?
PAUSE & WONDER