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26 июл 1963 г. - First Geosynchronous satellite, Syncom 2 by NASA

Описание:

Syncom 2 was the first satellite to match the orbital period of earth, returning to the same spot in the sky every sidereal day

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History Of Spaceflight

ByTrevor Nelson

4 дек 2019

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26 июл 1963 г.

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~ 62 г назад

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