Sixty years ago, the first ‘beep-beep’ signal from Sputnik was heard from the heavens on the night of 4 October 1957, marking the beginning of a new era for humankind.The goal of launching an artificial satellite to orbit Earth had been one for the international scientific community for some time, and had helped inspire the International Geophysical Year 1957–58, but the successful launch by the Soviet Union came as a shock, and the reception of the signal worldwide was incontrovertible proof of their success, according to press of ESA on October 3.
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