Dr Rebekah Higgitt of National Museums Scotland examines an 11th century astronomical instrument known as an astrolabe on the 1000th anniversary of its manufacture. The astrolabe, which was used to observe, calculate and predict the position of the Sun and the stars, is on display at the National Museum of Scotland in Edinburgh. Image © Andy Catlin 003

Dr Rebekah Higgitt of National Museums Scotland examines an 11th century astronomical instrument known as an astrolabe on the 1000th anniversary of its manufacture. The astrolabe, which was used to observe, calculate and predict the position of the Sun and the stars, is on display at the National Museum of Scotland in Edinburgh. Image © Andy Catlin 003.jpg
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Dr Rebekah Higgitt of National Museums Scotland examines an 11th century astronomical instrument known as an astrolabe on the 1000th anniversary of its manufacture. The astrolabe, which was used to observe, calculate and predict the position of the Sun and the stars, is on display at the National Museum of Scotland in Edinburgh. Image © Andy Catlin 003