Science -- 7 Islam and science 4 Astronomy -- 3 History -- 3 Islam and science -- 3 Astronomical instruments -- 2 Astronomy, Islamic 2 more ... Astronomy, Medieval 2 Civilization 2 Engineering -- 2 Islamic countries -- 2 Science and state -- 2 Study and teaching -- 2 Astronomy 1 Biologists -- 1 Calendar, Islamic -- 1 Economic conditions 1 Forecasting -- 1 History 1 Islam 1 Manuscripts 1 New moon -- 1 Qiblah -- 1 Religious aspects -- 1 Technology -- 1 Time (Islamic law) -- 1 Visibility -- 1 Weights and measures -- 1 Weights and measures, Arab 1 less ...