Ancient brass instrument used to interpret the heavens turns 1,000 years old

Dr Rebekah Higgitt of National Museums Scotland examines an 11th century astronomical instrument known as an astrolabe on the 1,000th anniversary of its creation (Andy Catlin/PA) - (National Museums Scotland)

One of the rarest scientific instruments held by National Museums Scotland (NMS) has turned 1,000 years old.

The astrolabe, an intricate brass instrument made in 11th century Spain, was used for charting the position of the stars.