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19 jul 201 ano antes da era comum - Astrolabe

Descrição:

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

Adicionado na linha do tempo:

Social Studies: Chapter 3: Exploration and Technology

ByTaylor Petersen
11 out 2018
0
0
766

Data:

19 jul 201 ano antes da era comum
Agora
~ 2228 years ago

Imagens:

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