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Sputnik 2 (Russian pronunciation: [ˈsputʲnʲɪk], Russian: Спутник-2, Satellite 2), or Prosteyshiy Sputnik 2 (PS-2, Russian: Простейший Спутник 2, Simplest Satellite 2), [3]: 155 launched on 3 November 1957, was the second spacecraft launched into Earth orbit, and the first to carry an animal into orbit, a Soviet space dog named Laika.
After reaching orbit, Sputnik 2's nose cone was jettisoned successfully; however, the "Block A" core did not separate as planned, preventing the thermal control system from operating correctly. Some of the thermal insulation tore loose, raising the cabin temperature to 40 °C (104 °F). [ 14 ]
On March 16, 1955, the U.S. Air Force had ordered the development of an advanced reconnaissance satellite to provide continuous surveillance of “preselected areas of the Earth” in order “to determine the status of a potential enemy’s war-making capability.” [2] The result of this order was the creation of a then-secret USAF program known as WS-117L, which controlled the development ...
Fifty-eight years ago today on October 4, 1957, Sputnik was launched into orbit by the Soviet Union.
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 ...
Korabl-Sputnik 2: Vostok-L: Earth Success: First spaceflight to send animals into orbit and return them safely back to Earth November 3 US: Explorer 8: Juno II: Earth Partial success: Battery power failed early, And data had to be processed by hand. In spite of this, new information about the ionosphere has been discovered 1961 February 12 ...
The US-K and US-KS satellites developed under the Oko program were the first generation of Soviet early warning satellites. 86 US-K satellites were placed in a Molniya orbit between 1972 and 2010 and 7 US-KS satellites, of a very similar design, were placed in geostationary orbit between 1975 and 1997, the system becoming operational in 1980.
The first orbital flight of an artificial satellite, Sputnik 1, was launched in October 1957, by the Soviet Union.In November, the second orbital flight took place. The Soviet Union launched the first animal to orbit the Earth, a dog, Laika, who died in orbit a few hours after launch.