Longer title: Tashrīḥ al-aflāk min `ilm al-hay’a; Sharḥ Tashrīḥ al-aflāk  (`Āmilī's own Commentary on Tashrīḥ al-aflāk), Tehran, Majlis Library, MSS. 3280 and 6345, folios 75-87 and 80-109. In the Tashrīḥ al-aflāk (Anatomy of the celestial spheres), `Āmilī upholds the position of the feasibility of the rotation of the Earth, arguing that no sufficient proof has been offered so far to the contrary. 