Islamic astronomy refers to the scientific study of celestial objects and phenomena as practiced by the Islamic world from the 8th to the 17th century. It involves the use of mathematical calculations and observations to understand the night sky. Synonyms for Islamic astronomy include Arabic astronomy, Muslim astronomy, and Islamic astrophysics. It is an important part of the history of science and has contributed to our current knowledge of astronomy. Some of the key figures in Islamic astronomy include Al-Khwarizmi, Al-Battani, and Ibn al-Shatir. Their discoveries and theories have had a significant impact on the field of astronomy and continue to be studied today.