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jan 5, 200 BC - Invention of Astrolabe

Description:

An ancient device used to determine the position of the user and the time of day. The positions of the sun and stars in the sky allowed explorers to determine where they were in relation to the equator.

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Marius Streit Timeline

ByMarius Streit
11 Dec 2017
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Date:

jan 5, 200 BC
Now
~ 2227 years ago
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