19 juill. 201 av. J.-C. - Astrolabe
Description:
An instrument for observing the positions of heavenly bodies (stars) that was used before the sextant was invented.
Invented in 200 BC
Invented by Greek astronomer, Hipparchus
Ajouté au bande de temps:
Date:
19 juill. 201 av. J.-C.
Maintenaint
~ Il y a 2228 ans
Les images:
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