https://www.nasa.gov/multimedia/imagegallery/image_feature_924.html

Oct 4, 2011 ... On Oct. 4, 1957, Sputnik 1 successfully launched and entered Earth's orbit. Thus, began the space age. The successful launch shocked the ...

https://history.nasa.gov/sputnik/

While the Sputnik launch was a single event, it marked the start of the space age ... of Scientific Unions decided to establish July 1, 1957, to December 31, 1958, ...

https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1957-001B

The Sputnik 1 spacecraft was the first artificial satellite successfully placed in orbit around the Earth and was launched from Baikonur Cosmodrome at Tyuratam ...

https://en.wikipedia.org/wiki/Sputnik_1

Sputnik 1 was the first artificial Earth satellite. The Soviet Union launched it into an elliptical low Earth orbit on 4 October ...

https://www.space.com/38331-sputnik-satellite-fun-facts.html

Oct 2, 2017 ... Here are a few fun facts you may not know about Sputnik 1 and its brief but world- changing mission. [Sputnik 1, Earth's First Artificial Satellite ...

https://www.space.com/17563-sputnik.html

Aug 22, 2018 ... Sputnik 1 and Sputnik 2 sent a shockwave through the American public. ... She was launched on the Soviet Union's Sputnik 2 mission in ...

https://californiasciencecenter.org/exhibits/air-space/mission-to-the-planets/sputnik

Sputnik 1 was the first human-made object to orbit the Earth. Designed and launched by the Soviets in 1957, Sputnik sparked the space race between the Soviet ...

https://cosmosmagazine.com/space/how-sputnik-1-launched-the-space-age

Oct 4, 2017 ... In successfully launching and placing Sputnik 1 into a low elliptical orbit, the Soviet Union took first honours in the space race. This was the ...

http://www.museumofflight.org/spacecraft/sputnik

The Soviet Union launched the world's first artificial satellite-Sputnik 1-aboard an R-7 intercontinental ballistic missile on October 4, 1957. The satellite traveled ...

http://www.russianspaceweb.com/sputnik_mission.html

Oct 4, 2018 ... The history of Sputnik by Anatoly Zak. ... The launch vehicle with the PS-1 satellite lifted off into the night sky over Kazakhstan on October 4, ...