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jan 1, 200 BC - Astrolabes

Description:

Astrolabes was a navigational tool that was used to measure the altitude. It was created by a Greek astronomer, Hipparchus.

Added to timeline:

Aaliyah Lopez

ByAaliyah Lopez

4 Nov 2017

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458

Date:

jan 1, 200 BC

Now

~ 2227 years ago

Images:

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