Mathematical and astronomical studies have been practicing as a component of geology. Initially it was influenced by Greek, Iranian, and Indian knowledge-science. However, later on, the Muslims were able to develop their own trend by enriching the advanced thinking. The size of the Earth's structure is defined as the latitude and longitude measurements, the relation between the planets of stars and the other objects in space. The roles of mathematical geography. Several geographers in North Africa and Spain also engage themselves in this work. Vasko Dagamah is a historic event to show the way by the experienced sailor Ahmad ibn Majid to the Calicut Port in Malindi (near Mombasa) in Kenya, East Kenya.
