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Sputnik 1 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 ...
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NASA Logo. Sputnik Home · Background History · Bibliography · Biographies · Chronology · Documents · Explorer · The International Geophysical Year.
Sputnik International is a global news agency keeping you updated on all the latest world news 24/7. Browse Sputnik for breaking news and top stories on ...
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.
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On October 4, 1957, the Soviet Union launched the earth's first artificial satellite, Sputnik-1. The successful launch came as a shock to experts and citizens ...

Sputnik 1

Artificial satellite
Sputnik 1 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 before its three... Wikipedia
Launch date: October 4, 1957 at 7:28 PM
Launch site: Gagarin's Start
Manufacturer: Energia
Speed on orbit: 4.971 miles/s
Max speed: 18,020 mph
President: President Eisenhower
Dimensions: 58 cm (23 in) diameter

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The meaning of SPUTNIK is any of a series of earth-orbiting satellites launched by the Soviet Union beginning in 1957.
Sputnik is a Russian state-owned news agency and radio broadcast service. It was established by the Russian government-owned news agency Rossiya Segodnya on ...
Sep 29, 2020 · Sputnik – sometimes called Sputnik 1 – went into space on Oct. 4, 1957. The achievement sent a shockwave through the American public, who had ...