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What was the first Soviet spacecraft that could recharge its battery it each orbit? Where were the photovoltaic cells made?
Sputnik 1 (/ˈspʌtnɪk, ˈspʊtnɪk/; "Satellite-1", or "PS-1", Простейший Спутник-1 or Prosteyshiy Sputnik-1, "Elementary Satellite 1") was the first artificial Earth ...
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