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Preferred term

Sputnik  

Definition

  • Sputnik 1, the world's first artificial satellite, was launched from the Soviet Baikonur Cosmodrome on October 4, 1957. The satellite orbited the earth every ninety-six minutes, broadcasting signals from two radio transmitters that could be picked up by amateur radio operators around the world. [Source: Encyclopedia of the Social and Cultural Foundations of Education; Sputnik]

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https://concepts.sagepub.com/social-science/concept/Sputnik

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