Proceedings of the 17th International Academic Conference, Vienna

MUSTAFA BIN ALI AL-MUVAQQIT’S RUB‛- I DĀ’ĪRE RISĀLE

YASEMIN DINÇ

Abstract:

The subject of our study which we prepared thinking that it would benefit Ottoman Turkish and the studies in the field of astronomy is the work of Mustafa bin Ali al-Muvaqqit, who lived in the sixteenth century and made major contributions to astronomy in Ottoman era and also who was the chief astrologer of the Ottoman sultan, named “ Risâle- i Rub‛-ı Dâîre”. Rub‛-ı daire is a hand tool used in the calculation of prayer times, measurement of height and some trigonometric calculations. The astronomy studies in Ottoman era, the places where astronomy science was carried out and the people who studied have been briefly mentioned. The known things about the life and works of Mustafa bin Ali al-Muvaqqit, the author of the work, have also been tried to summarize generally. Terms related to astronomy in the work have been presented in the form of dictionary in order to shed light on the studies in the field of astronomy and determine the level of astronomical knowledge of the Ottomans in that century.

Keywords: Ottoman Turkish, Mustafa bin Ali al-Muvaqqit, Rub‛-ı daire, Astronomy.

DOI: 10.20472/IAC.2015.017.019

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