Alfonsine Tables

The Alfonsine Tables are a set of astronomical tables created in the 13th century under the direction of King Alfonso X of Castile, also known as "Alfonso the Wise." These tables provided precise calculations of the positions of celestial bodies like the moon, sun, and planets over time. Developed from earlier Arabic and Greek sources, they improved navigation and allowed for more accurate calendar-making. The tables were widely used in Europe and had a significant influence on astronomy, supporting the shift from medieval to modern scientific thinking. They represent an important achievement in the history of astronomy.