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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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Did Sputnik 1 tell us more than "beep"? What science was improved by information gained from its orbiting the Earth?
Sputnik 1 was the first artificial satellite launched by humans to orbit the Earth.
This answer begins:
Sputnik had just one single job: Prove its existence by sending a simple "beep" ...
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What "fuel more powerful than anything the West (had) in stock" put Laika in orbit aboard Sputnik 2?
The BBC World Service Radio Witness History podcast Laika, the first dog in space contains a short audio clips from some vintage 1950's British news. At 02:30 in a ...