scientists during the Renaissance and even later. Astronomy in medieval Islam  was advanced by  Al-Battani , who improved the precision of the measurement of the  precession  of the Earth's axis. The corrections made to the  geocentric model  by al-Battani,  Averroes ,  Nasir al-Din al-Tusi ,  Mo'ayyeduddin Urdi  and  Ibn al-Shatir  were