What field did Muḥammad ibn Jābir al-Ḥarrānī al-Battānī contribute to?
Heliocentric theories were also discussed by several other Muslim astronomers such as Al-Biruni, Al-Sijzi, Qotb al-Din Shirazi, and Najm al-Dīn al-Qazwīnī al-Kātibī.