In astronomy, Al-Battani has developed a method for accurate measurement of the rotation of the Earth is transformed. Fix concept that says the Earth is the center of the universe, by al-Battani, Averroes and Ibn al-Haytham, an astronomer, as well as al-Din Nasir al-Tusi, Mo'ayyeduddin Urdi and Ibn al-Shatir, which is similar to the solar system of the Copernican theory of the solar system is the discussion by Muslim astronomers such as Ja'far ibn Muhammad Abu Ma'shar, Biruni, Abu Said Abu-Rayhan al-Balkhi al-Sijzi, al-Din al-Shirazi, al-Dīn Najm and Qutb al-Qazwīnī al-Kātibī.
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