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Muhammad Al-Farazi
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YAQUB ibn TARIQ
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Al-Farghani made multiple inventions.
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AL-Battani wrote a book on astronomy.
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Abd-Rahman As-Sufi wrote a book on the astrolabe with other discoveries he made himself.
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Al Biruni calculated that earth rotates on its axis.
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Al-Zarqali
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Jabir ibn Aflah invented the Torquentum.