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1 gen 1927 anni - The Conquest of Interplanetary Space discusses orbital effects and rocket mechanics.

Descrizione:

This was written by a Yuri Kondratyuk, a Ukranian-Soviet engineer. Due to persecution from authorities, his real name was actually Oleksandr Ignatyevich Shargei.

Aggiunto al nastro di tempo:

Space

ByDarren GUAN
9 dic 2019
0
0
409

Data:

1 gen 1927 anni
Adesso
~ 98 years ago
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