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The Sputnik rocket was an uncrewed orbital carrier rocket designed by Sergei Korolev in the Soviet Union, derived from the R-7 Semyorka ICBM. On 4 October 1957, it was used to perform the world's first satellite launch, placing Sputnik 1 into a low Earth orbit .
Sputnik 1 (/ ˈ s p ʌ t n ɪ k, ˈ s p ʊ t n ɪ k /, Russian: Спутник-1, Satellite 1), sometimes referred to as simply Sputnik, 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.
Sputnik (8A91) B1-2 LC-1/5, Baikonur Failure D1 s/n. 1 Longitudinal vibration in strap-ons results in disintegration of the vehicle at T+88 seconds Maiden flight of Sputnik 8A91 15 May 1958, 07:00 Sputnik (8A91) B1-1 LC-1/5, Baikonur Successful Sputnik 3: Final flight of Sputnik rocket 24 May 1958, 10:30 R-7 Semyorka (8K71) B1-3 LC-1/5 ...
Oct. 4—66 years ago, on October 4, 1957, the Soviet Union launched the world into the space race after sending the first satellite, Sputnik 1, into orbit. Sputnik 1 weighed around 184 pounds and ...
Sputnik 1 was the first artificial Earth satellite ever launched. On October 4, 1957, the USSR launched Sputnik 1 into orbit and received transmissions from it. [86] Sputnik 1 was designed to be the forerunner for multiple satellite missions. The technology constantly underwent upgrades as the weight of satellites increased.
[1] [2] However, due to the weight of Soviet nuclear warheads, the R-7 possessed a significantly greater payload capacity than early U.S. ICBMs. This advantage made the R-7 suitable for space launch missions, giving the Soviet Union a substantial head start in the Space Race. An unmodified R-7 launched Sputnik 1, the world's first artificial ...
In modified form, it launched Sputnik 1, the first artificial satellite, into orbit, and became the basis for the R-7 family which includes Sputnik, Luna, Molniya, Vostok, and Voskhod space launchers, as well as later Soyuz variants. Various modifications are still in use and it has become the world's most reliable space launcher.
Sputnik 1. Sputnik (Спутник, Russian for "satellite" [1]) is a name for multiple spacecraft launched under the Soviet space program."Sputnik 1", "Sputnik 2" and "Sputnik 3" were the official Soviet names of those objects, and the remaining designations in the series ("Sputnik 4" and so on) were not official names but names applied in the West to objects whose original Soviet names may ...