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Viking Missions (20 июл 1976 г. – 27 дек 1978 г.)

Описание:

Viking 1 & 2 generated much debate over the compisition of the soil on Mars

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9 ноя 2018

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20 июл 1976 г.

27 дек 1978 г.

~ 2 years and 5 months

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