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astrolabes

Reading the Sky with the Astrolabe
 

Reading the Sky with the Astrolabe

Astrolabe technology was used as far back as ancient Greece and was improved on through the Renaissance.

See how the brass plates of this ancient tool were used to tell time, navigate the oceans, and understand the stars.

PBS
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Astrolabe Components

Astrolabe Components

Explore the components that go into the astrolabe, and examine how they fit together to form a functioning instrument. More...

Article
Museo Galileo
The Way to the Stars: Build Your Own Astrolabe

The Way to the Stars: Build Your Own Astrolabe

You can make your own astrolabe with household materials and directions from this site. When you're done, click on the "Use It" link at the bottom of the page to try out your device. More...

Activity
St. John's College, Cambridge
Astrolabe

Astrolabe

Browse a gallery of images from an exhibit about how Muslim astronomers used astrolabes to tell time. Then, see if you can determine the time with one. More...

Images
AMNH/Helene Alonso
Tom Wujec Demos the 13th-Century Astrolabe

Tom Wujec Demos the 13th-Century Astrolabe

The astrolabe was really an ancient computer: You input data and it output a result. A pioneer in business innovation looks at one of our earliest but most ingenious devices. More...

Video
TED
An Instrument with a Past and a Future

An Instrument with a Past and a Future

Astrolabes were very important from ancient times through the Renaissance. This site offers a complete look at astrolabes and examines different types used throughout the centuries. More...

Article
Janus
Astronomical Use of the Plane Astrolabe

Astronomical Use of the Plane Astrolabe

Telling time and location are among the astrolabes many uses. Discover other astronomical uses of this ancient device and see astrolabes from the Museo Galileo's collection. More...

Video
Museo Galileo
Starry Messenger: The Islamic Astrolabe

Starry Messenger: The Islamic Astrolabe

Astrolabes were commonly used for a variety of purposes in the early Muslim world — everything from forecasting the weather to the future. Astrolabes were also works of art. More...

Article
University of Cambridge

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