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1 janv. 221 av. J.-C. - Planetary conjunctions

Description:

Astronomers of Qin dynasty maintained close records of planetary conjunctions, including those of Mars.

Ajouté au bande de temps:

Timeline of Mars Observation and Exploration

ByAlexandra Fustei
29 janv. 2018
0
0
526

Date:

1 janv. 221 av. J.-C.
Maintenaint
~ Il y a 2246 ans

Géo-repères:

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