* Astronomy

Ibn Jubayr (1 September 1145 - 1217) was a geographer, traveller and poet from al-Andalus. His travel chronicle describes the pilgrimage he made to Mecca from 1183 to 1185, in the years preceding the Third Crusade. His chronicle describes Saladin's domains in Egypt and the Levant which he passed through on his way to Mecca. Further, on his return journey he passed through Christian Sicily, which had only been recaptured from the Muslims a century before, and he makes several observations on the hybrid polyglot culture which flourished there.
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