In this episode of Turkish Mosaic, we delve into the rich history of Ottoman astronomy and its relevance to our modern world. Understanding Ottoman astronomy offers profound insights into the scientific advancements and intellectual pursuits of a civilization that spanned six centuries and three continents. This historical exploration reveals how the Ottomans integrated astronomical knowledge from diverse cultures, including Islamic, Greek, and Indian traditions, to create a unique scientific legacy. Figures like Ali Qushji and Taqî al-Dîn exemplify the innovative spirit that characterized Ottoman astronomy, from refining planetary models to establishing sophisticated observatories. Relating to modern times, the study of Ottoman astronomy underscores the enduring importance of cross-cultural scientific exchange and the cumulative nature of knowledge. As we navigate the era of big data and space exploration, the collaborative efforts and technological ingenuity of the Ottomans remind us that scientific progress is a global endeavor, built on the foundations laid by past scholars.