![Engineer Day in Iran is celebrated to respect Khawaja Nasir al-Din al-Tusi Persian scholar - rahyafteha Engineer Day in Iran is celebrated to respect Khawaja Nasir al-Din al-Tusi Persian scholar - rahyafteha](https://rahyafteha.ir/en/wp-content/uploads/2018/03/Negar_04032018_013254-1-284x300.jpg)
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
OER Project - Did you know? Persian astronomer Nasir al-Din al-Tusi identified and named the Milky Way in the 13th century. It took until 1601 for astronomers to prove its existence with
![Nasir Al-Din Al-Tusi's Memoir on Astronomy : Nasir al-Din Muhammad ibn Muhammad Tusi, : 9780387940519 : Blackwell's Nasir Al-Din Al-Tusi's Memoir on Astronomy : Nasir al-Din Muhammad ibn Muhammad Tusi, : 9780387940519 : Blackwell's](https://blackwells.co.uk/jacket/l/9780387940519.jpg)
Nasir Al-Din Al-Tusi's Memoir on Astronomy : Nasir al-Din Muhammad ibn Muhammad Tusi, : 9780387940519 : Blackwell's
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
![Engineer Day in Iran is celebrated to respect Khawaja Nasir al-Din al-Tusi Persian scholar - rahyafteha Engineer Day in Iran is celebrated to respect Khawaja Nasir al-Din al-Tusi Persian scholar - rahyafteha](https://rahyafteha.ir/en/wp-content/uploads/2018/03/Negar_04032018_013730-923x1024.jpg)