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Loading contentAstronomers across the medieval Islamic world preserved, corrected, and extended Greek and Indian astronomy. They built great observatories, refined observational instruments, compiled precise star catalogues and tables (zij), and gave us much of our star nomenclature.
Facts on this topic will be cited from these primary and reference sources.
General reference for the history of astronomy, biographies, and cultural context.
Official naming, definitions, constellation boundaries, and astronomical nomenclature.