An astrolabe – Greek for ‘star finder’ – is an instrument that can be used for timekeeping, surveying, determining latitude and casting horoscopes. They were originally invented in ancient Greece around 150 BC, and the features were useful for navigation and astronomy. This stunning brass example is engraved with Hebrew and Arabic script, meaning it was probably made for a Jewish scholar in Spain sometime in the mid-14th century. During this time there was a huge amount of knowledge exchanged be
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An astrolabe – Greek for ‘star finder’ – is an instrument that can be use…
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Astrolabe: A Brief History and Its Significance The astrolabe is an ancient astronomical instrument that served multiple purposes, including: Measuring the altitude and position of celestial bodies relative to the horizon. Determining latitude and local time. Creating celestial maps. Predicting astronomical events, such as eclipses and planetary conjunctions. The origin of the astrolabe is uncertain, but it is believed to have been invented in ancient Greece around the 2nd century BC. The earlie
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The astrolabe: the Swiss Army knife of ancient celestial navigation
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This brass astrolabe was made in 1537 by famous instrument maker George Hartmann in the city of Nuremberg. Look closely and you might find those details inscribed on the instrument. It’s one of the most well-known objects in our History of Science and Technology Division. Astrolabes have been used for thousands of years across a multitude of cultures. Invented in ancient Greece and introduced to medieval Europe through the Islamic world, the astrolabe was employed in astronomy, astrology, survey
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This brass astrolabe was made in 1537 by famous instrument maker …
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What is an Astrolabe? Think of the astrolabe as the “smartphone of the medieval world.” Long before GPS or Google Maps, scholars, sailors, and astronomers used this intricate instrument to read the stars, measure time, find direction, and even calculate prayer timings. It’s a flat, disk-shaped device, often made of brass, with moving parts that mimic the sky. A Brief History The astrolabe has roots going back to ancient Greece, but it truly flourished in the Islamic Golden Age. Muslim scholars r
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