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Sputnik 1 (/ ˈ s p ʌ t n ɪ k, ˈ s p ʊ t n ɪ k /, Russian: Спутник-1, Satellite 1) was the first artificial Earth satellite. It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957 as part of the Soviet space program. It sent a radio signal back to Earth for three weeks before its three ...
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History changed on October 4, 1957, when the Soviet Union successfully launched Sputnik I. The world's first artificial satellite was about the size of a beach ball (58 cm.or 22.8 inches in diameter), weighed only 83.6 kg. or 183.9 pounds, and took about 98 minutes to orbit the Earth on its elliptical path. That launch ushered in new political ...
Spoutnik (du russe : спутник, signifiant « compagnon de route » ou « satellite ») est une famille de satellites lancés par l' URSS. Spoutnik 1, lancé le 4 octobre 1957, est le premier engin placé en orbite autour de la Terre et marque le début de l' ère spatiale .
Cet engin spatial soviétique, premier de la série de satellites Spoutnik, est lancé le 4 octobre 1957 depuis le cosmodrome de Baïkonour par un lanceur R-7 Semiorka, un missile balistique intercontinental développé par l' OKB-1.
Sputnik, a series of three Soviet artificial satellites. Sputnik 1 (launched October 4, 1957) was the first artificial satellite and the beginning of the ‘space race’ between the U.S. and the Soviet Union. Sputnik 2 carried the dog Laika, the first living creature in space.
3 oct. 2017 · Sputnik – 60 years of the space age. 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.
Vanguard. Sputnik and the Origins of the Space Age by Roger D. Launius. Korolev's Triple Play: Sputniks 1, 2, and 3 by James Harford. Korolev, Sputnik, and The International Geophysical Year by Asif A. Siddiqi. For further information, please email histinfo@hq.nasa.gov. Updated February 2, 2005.
The combination of technological and scientific advance, political competition with the Soviet Union, and changes in popular opinion about space flight came together in a very specific way in the 1950s to affect public policy in favor of an aggressive space program.
