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Titre: Sputnik 1, First Artificial Satellite, 1957
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The first artificial satellite, Sputnik 1, head-on. Sputnik was launched on 4th October 1957 by the former Soviet Union. The name Sputnik is Russian for 'travel companion' or satellite. The body was a highly polished aluminum alloy sphere which measured 58 centimeters in diameter and had four long antennas attached to it. Sputnik 1 was located in Earth orbit and transmitted radio signals back to Earth for a period of 23 days. Although the mission ended on 27th October 1957, it was not until 4th January 1958 that Sputnik returned to Earth. The success of Sputnik 1 prompted the US government to enter the Space Race with the launch of Explorer-1 four months later.
Crédit: Album / Science Source / New York Public Library
Taille de l'image: 3032 × 3841 px | 33.3 MB
Taille d'impression: 25.7 × 32.5 cm | 1193.7 × 1512.2 in (300 dpi)