Sputnik 1
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Sputnik 1, often 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
Replica of Sputnik 1 in the Museum of Space and Missile Technology (Saint-Petersburg)
Last remaining piece of Sputnik 1: metal arming key which prevented contact between batteries and transmitter prior to launch; on display at the Smithsonian National Air and Space Museum
30 kopek USSR stamp depicting Sputnik 1 orbiting the Earth, the Earth orbiting the Sun and the Sun orbiting the centre of the Milky Way galaxy
First ground track of Sputnik 1 on 13 October 1957 4:51 from Rodewisch
Sputnik 2
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Sputnik 2, or Prosteyshiy Sputnik 2, 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.
Sputnik 1
…future, but also amazement about human progress. Many newspapers and magazines heralded the arrival of the Space Age. However, when the USSR launched Sputnik 2, containing the dog Laika, the media narrative returned to one of anti-Communism and many people sent protests to the Soviet embassy and the RSPCA…
Model of Sputnik 2 at the Memorial Museum of Cosmonautics in Moscow
USSR postage stamp "Спутник-2"
Photograph of Sputnik 2 and its rocket taken by Air Force personnel at Air Force Missile Test Center, Patrick AFB, Florida, in March 1958.