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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 ...
History changed on October 4, 1957, when the Soviet Union successfully launched Sputnik I. The world's first artificial satellite was about the size of a beach ball (58 cm.or 22.8 inches in diameter), weighed only 83.6 kg. or 183.9 pounds, and took about 98 minutes to orbit the Earth on its elliptical path. That launch ushered in new political ...
Nov 24, 2009 · This Day in History: 10/04/1957 - Sputnik Launched. The Soviet Union inaugurates the “Space Age” with its launch of Sputnik, the world’s first artificial satellite, on October 4, 1957. The ...
- Missy Sullivan
- 1 min
Oct 4, 2022 · Right: Liftoff of Sputnik 2, carrying the first live animal into orbit. Leveraging off the success of the first satellite, the Soviet Union had another surprise. On Nov. 3, 1957, less than a month after Sputnik’s launch, another R-7 rocket lifted off from Baikonur, this time carrying a dog named Laika, the first animal to orbit the Earth.
2 of 2. Sputnik 1. Sputnik, any of a series of three artificial Earth satellites, the first of whose launch by the Soviet Union on October 4, 1957, inaugurated the space age. Sputnik 1, the first artificial satellite launched, was a 83.6-kg (184-pound) capsule. It achieved an Earth orbit with an apogee (farthest point from Earth) of 940 km (584 ...
- The Editors of Encyclopaedia Britannica
Roger D. Launius. July 2007. With the launch of a basketball-size satellite on October 4, 1957, the Soviet Union ushered in the “Space Age” and changed the world. Sputnik 1, launched from the ...
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Feb 4, 2020 · Updated on February 04, 2020. On October 4, 1957, the Soviet Union stunned everyone by launching the world's first artificial satellite, Sputnik 1. It was an event that galvanized the world and spurred the fledgling U.S. space effort into high gear. No one who was alive at that time can forget the electricity of the moment when humans first ...
