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Sputnik 1 (/ ˈspʌtnɪk, ˈspʊtnɪk /, 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. It sent a radio signal back to Earth for three weeks ...
Korabl-Sputnik 1[3] (Russian: Корабль Спутник 1 meaning Vessel Satellite 1), also known as Sputnik 4 in the West, [2] was the first test flight of the Soviet Vostok programme, and the first Vostok spacecraft. It was launched on May 15, 1960. Though Korabl-Sputnik 1 was uncrewed, it was a precursor to the first human spaceflight ...
The Sputnik crisis was a period of public fear and anxiety in Western nations about the perceived technological gap between the United States and Soviet Union caused by the Soviets' launch of Sputnik 1, the world's first artificial satellite. [1] The crisis was a significant event in the Cold War that triggered the creation of NASA and the ...
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. Two versions of the Sputnik were built, the Sputnik-PS (GRAU index 8K71PS), which ...
Korabl-Sputnik 4[1] (Russian: Корабль-Спутник 4 meaning Ship-Satellite 4) or Vostok-3KA No.1, also known as Sputnik 9 in the West, [2] was a Soviet spacecraft which was launched on 9 March 1961. Carrying the mannequin Ivan Ivanovich, a dog named Chernushka, some mice and the first guinea pig in space, it was a test flight of the ...
Vanguard 1 (Harvard designation: 1958-Beta 2, [3] COSPAR ID: 1958-002B[1]) is an American satellite that was the fourth artificial Earth-orbiting satellite to be successfully launched, following Sputnik 1, Sputnik 2, and Explorer 1. It was launched 17 March 1958. Vanguard 1 was the first satellite to have solar electric power. [4]
Spaceflight. Spaceflight began in the 20th century following theoretical and practical breakthroughs by Konstantin Tsiolkovsky, Robert H. Goddard, and Hermann Oberth, each of whom published works proposing rockets as the means for spaceflight. [a] The first successful large-scale rocket programs were initiated in Nazi Germany by Wernher von Braun.
Timeline of the Space Race. This is a timeline of achievements in Soviet and United States spaceflight, spanning the Cold War era of nationalistic competition known as the Space Race. This list is limited to first achievements by the USSR and USA which were important during the Space Race in terms of public perception and/or technical innovation.