Kosmos 52

Soviet reconnaissance satellite (Zenit 2-25)

Kosmos 52 or Zenit-2 No.25 was a Soviet, first generation, low resolution, optical film-return reconnaissance satellite launched in 1965. A Zenit-2 spacecraft, Kosmos 52 was the twenty-fifth of eighty-one such satellites to be launched and had a mass of 4,730 kilograms (10,430 lb).

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