Sputnik 1 : First Artificial Satellite Sputnik one was the first artificial Earth satellite it was launched into an elliptical law orbit by the Soviet union on 4 October 1957 as a part of the Soviet space program. #sputnik #sputnik1 #artificialsatellite #space #cosmos #physics #moon #earth #india #science #astronomy #soviet #russia | Cosmos-SpacetimeOdyssey

50th Anniversary of the Sputnik Launch

Sputnik and the Space Age

How Sputnik Worked