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1 jan 221 ano antes da era comum - Planetary conjunctions

Descrição:

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

Adicionado na linha do tempo:

Timeline of Mars Observation and Exploration

ByAlexandra Fustei
29 jan 2018
0
0
526

Data:

1 jan 221 ano antes da era comum
Agora
~ 2246 years ago

Geo-tags:

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