The tool in question is an astrolabe, an ancient instrument used by sailors to figure out the sun's altitude during their journey, stated BBC. The astrolabe was found on a ship Esmeralda and could ...

[Uri] has another video that goes over astrolabe basics and his design process that’s well worth watching too. While it’s nowhere near as complicated an instrument, this astrolabe puts us in ...

Based on the astrolabe’s engravings, Gigante—an expert on Islamic scientific instruments—concluded that it was likely made in the Iberian Peninsula’s Andalusian region in the 11th century.

The astrolabe was a mathematical instrument which was used to carry out astronomical measurements, to calculate the positions of the sun and the stars, and to tell the time. This one was made in ...

What I'm holding is a portable model of the heavens, in the shape of an exquisite, circular brass instrument that looks a bit like a large brass pocket watch, and it's called an astrolabe.

The astronomical instrument ... Dr. Federica Gigante ... Dr. Gigante first came across a newly uploaded image of the astrolabe by chance on the website of the Fondazione Museo Miniscalchi-Erizzo.

What I'm holding is a portable model of the heavens, in the shape of an exquisite, circular brass instrument that looks a bit like a large brass pocket watch, and it's called an astrolabe.