Showing posts with label 10th Century. Show all posts
Showing posts with label 10th Century. Show all posts

Al Sufi’s Book of Fixed Stars

5:39 AM
The Book of Fixed Stars is an astronomical text written by Abd al-Rahman al-Sufi (Azophi) around 964. The book was written in Arabic, although the author himself was Persian. It was an attempt to create a synthesis of the comprehensive star catalogue in Ptolemy’s Almagest (books VII and VIII) with the indigenous Arabic astronomical traditions on the constellations. https://en.wikipedia.org/wiki/Book_of_Fixed_Stars
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