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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:

Social Studies: Chapter 3: Exploration and Technology

ByTaylor Petersen
11 oct. 2018
0
0
833

Date:

19 juill. 201 av. J.-C.
Maintenaint
~ Il y a 2228 ans

Les images:

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