25 April – 25 July 2006
Muslim astronomers established large observatories and developed instruments such as the astrolabe to a high degree of accuracy and sophistication. Astronomical data was essential to establish the Muslim calendar, based on lunar cycles, and the dates of religious festivals.
Science in Islam 
A resource for secondary schools, bringing together a number of objects of Islamic origin that provide insight into some of the achievements and developments of Islamic science and technology, founded upon a legacy from the ancient world.