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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), 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 .
All passengers survived. Sputnik 5 made 17 revolutions around the Earth and spent 27 hours in orbit. These were the first Earth-born creatures to orbit Earth and return alive, and the first recovered since February 20, 1947, when fruit flies were flown into space on a suborbital flight by the U.S. and survived. [2]
TIROS-1 (or TIROS-A) was the first successful low-Earth orbital weather satellite, and the first of a series of Television Infrared Observation Satellites. August 19 Soviet Union: 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 ...
Fifty-eight years ago today on October 4, 1957, Sputnik was launched into orbit by the Soviet Union.
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.
A NASA astronaut and two Russian cosmonauts returned to Earth on Wednesday after being stuck in space for just over a year. American Frank Rubio set a record for the longest U.S. spaceflight — a ...
Four astronauts from four countries caught a lift back to Earth with SpaceX on Tuesday to end a half-year mission at the International Space Station. NASA’s Jasmin Moghbeli, a Marine helicopter ...
That was the most immediate threat that Sputnik 1 posed. The United States, a land with a history of geographical security from European wars because of its distance, suddenly seemed vulnerable. A contributing factor to the Sputnik crisis was that the Soviets had not released a photograph of the satellite for five days after the launch. [7]