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First artificial satellites of a country | HearLore
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First artificial satellites of a country
Explorer 1The U.S. Earth satellite program began in 1954 as a joint Army and Navy proposal called Project Orbiter. This plan aimed to place a scientific satellite into…
Sputnik 1On the 17th of December 1954, chief Soviet rocket scientist Sergei Korolev proposed a developmental plan for an artificial satellite to the Minister of the…