Sputnik 1 (/ ˈspʌtnɪk, ˈspʊtnɪk /, Russian: Спутник-1, Satellite 1), often referred to as simply Sputnik, was the first artificial Earth satellite. It was launched into an elliptical low Earth orbit by …

Nov 24, 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. …

Apr 29, 2025 · Sputnik 1 was the first artificial satellite, launched by the Soviet Union on October 4, 1957. The launch of Sputnik 1 sparked a new era of space exploration and competition with …

On October 4, 1957, the Soviet Union successfully launched Sputnik-1, the world's first artificial satellite. Only about the size of a beach ball (22.8 inches or 58 cm. in diameter) and weighing …

Dec 4, 2025 · The historic Sputnik launch on Oct. 4, 1957 marked the beginning of the space age, leading to the establishment of NASA as well as the U.S.–Soviet space race.

Explore Sputnik 1, the world's first artificial satellite that ignited the space age. Learn about its historic mission, design, and impact.

Called Sputnik Zemlyi (“traveling companion of the world”), more commonly Sputnik 1, the satellite’s simple "beep beep" audio radio signals were picked up by scientists and ham radio …

Jan 30, 2025 · 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 …

Oct 4, 2024 · In 1957, a small metal sphere, barely the size of a beach ball, was catapulted into space, forever altering the course of science, technology, and space exploration. Sputnik-1, …

Nov 19, 2025 · Sputnik 1 was successfully launched on 4 October 1957 at 19:28:34 GMT. The performance of the launch vehicle was slightly lower than expected, resulting in an orbit of 228 …