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by NASA - digital version copyright - © Corbis. All Rights Reserved. - © NASA - digital version copyright/Science Faction/Corbis
Liftoff of Explorer 1, America's First Satellite
Explorer 1 lifts off from Cape Canaveral on January 31, 1958 on top of a Jupiter C rocket (in this configuration known as a Juno-1), five months after the launch of the world's first artificial satellite, Sputnik, by the USSR. --- Image by © NASA - digital version copyright/Science Faction/Corbis