İlm-i Nücum: The Science of The Stars Part 1 By its definition,ilm-i nücum denotes ‘the Science of the Stars.’ During the Ottoman Empire founded in 1299/1302, astronomy and astrology, which were known as ilm-i ahkam-ı nücum, sınaat-i ahkam-ı nücum or shortly ilm-i nücum, ahkam-ı nücum, ilm-i hey’et or ilm-i eflak, were treated together up until