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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 …

Sep 26, 2025 · Sputnik, a series of three Soviet artificial satellites. Sputnik 1 (launched October 4, 1957) was the first artificial satellite and the beginning of the ‘space race’ between the U.S. …

The Explorer program continued as a successful ongoing series of lightweight, scientifically useful spacecraft. The Sputnik launch also led directly to the creation of National Aeronautics and …

Sputnik 1 consisted of a polished sphere with four antennas and a simple transmitter. It carried no propulsion system or guidance mechanism, as its role was symbolic and strategic. It needed to …

The world's first artificial satellite, Sputnik 1, was launched by the Soviet Union in 1957, marking the start of the space race. This guide provides suggested research materials on this topic at …

Nov 24, 2009 · The Soviet Union inaugurates the “Space Age” with its launch of Sputnik, the world’s first artificial satellite.

On October 4, 1957, the USSR launched Sputnik, the first artificial satellite to orbit Earth. The satellite, an 85-kilogram (187-pound) metal sphere the size of a basketball, was launched on a …

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

Jan 17, 2024 · Sputnik, which means “satellite” or “companion” in Russian, was a historic milestone in the field of space exploration. Launched by the Soviet Union on October 4, 1957, …