As My Modern Met explains, ancient astronomers had a habit of ... work them specifically for their usefulness as an instrument for astronomy. Some wore these types of rings to show off their ...

More about astrolabes Astrolabes are ancient scientific instruments used for solving problems related to time and the position of the stars. They were widely used in astronomy, navigation ...

The University of Sharjah hosted an astrolabe workshop in which western scientists showed participants how an astronomical instrument made by an ancient Muslim scholar ... and Muslim astronomer known ...