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Ahab Bdaiwi איהאבּ ܐܝܗܐܒ on Twitter: "In light of the stunningly beautiful images of the Webb telescope, a thread on medieval Muslim accounts of the heavens. 1/ https://t.co/9lk6N2WJov" / Twitter
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Engineer Day in Iran is celebrated to respect Khawaja Nasir al-Din al-Tusi Persian scholar - rahyafteha
Alamut Castle might yield Tusi observatory
Tusi Couple -- from Wolfram MathWorld
Nasīr al-Dīn al-Tūsī - Linda Hall Library
Al-Tusi World Map #229 TITLE: al-Tusi's World Map DATE: 1331 AUTHOR: Nasir al-Din al-Tusi/Muhammad ibn Muhammad ibn al-Hasan
Al Tusi; a Distinct Muslim Scholar in the Field of Science and Philosophy
Engineer Day in Iran is celebrated to respect Khawaja Nasir al-Din al-Tusi Persian scholar - rahyafteha
Nasir al-Din al-Tusi - Wikipedia
Nasir al Din al Tusi - Alchetron, The Free Social Encyclopedia
Engineer Day in Iran is celebrated to respect Khawaja Nasir al-Din al-Tusi Persian scholar - rahyafteha
Al-Tusi World Map #229 TITLE: al-Tusi's World Map DATE: 1331 AUTHOR: Nasir al-Din al-Tusi/Muhammad ibn Muhammad ibn al-Hasan
Nasīr al-Dīn al-Tūsī - Linda Hall Library
Nasir al-Din al-Tusi - Wikipedia
Portable Cosmologies - Muslim HeritageMuslim Heritage
Nasir al-Din al-Tusi Biography - Life of Persian Polymath