Biography
Nasir al-Din al-Tusi built the great observatory at Maragha, one of the most advanced research institutions of its age. His 'Tusi couple', a way of producing linear motion from two circles, became an important tool of late medieval planetary theory and reappears in the work of Copernicus.
Scientific contributions
- Founded and directed the Maragha observatory
- Devised the 'Tusi couple' geometric device
- Produced the Ilkhanic (Zij-i Ilkhani) astronomical tables
Related scientists
Knowledge connections
- Part ofIslamic Golden Age Astronomy
- InfluencedNicolaus Copernicus
Sources & references
The primary and reference sources this topic draws on.
- BritannicaEncyclopaedia Britannica
General reference for the history of astronomy, biographies, and cultural context.