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Sputnik 1 (/ ˈ s p ʌ t n ɪ k, ˈ s p ʊ t n ɪ k /, 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 the Soviet Union on 4 October 1957 as part of the Soviet space program .
That was the most immediate threat that Sputnik 1 posed. The United States, a land with a history of geographical security from European wars because of its distance, suddenly seemed vulnerable. A contributing factor to the Sputnik crisis was that the Soviets had not released a photograph of the satellite for five days after the launch. [7]
It was a race between the United States and the Soviet Union which began with the Soviet Union's October 4, 1957, launch of Earth's first artificial satellite Sputnik 1 during the International Geophysical Year. [9] Weighing 83.6 kg (184.3 lb) and orbiting the Earth once every 98 minutes.
Oct. 4—66 years ago, on October 4, 1957, the Soviet Union launched the world into the space race after sending the first satellite, Sputnik 1, into orbit. Sputnik 1 weighed around 184 pounds and ...
Sputnik 1: Sputnik-PS: Success: The first human-made object to orbit Earth. 83.6 kg (183.9 lb) November 3 Soviet Union: Sputnik 2: Sputnik-PS: Success: The first satellite to carry a living animal, a dog named Laika. 508 kg (1,118 lb) December 6 US: Vanguard 1A: Vanguard TV-3: Failure
On January 31, 1958, nearly four months after the launch of Sputnik 1, von Braun and the United States successfully launched its first satellite on a four-stage Juno I rocket derived from the US Army's Redstone missile, at Cape Canaveral. [86] The satellite Explorer 1 was 30.66 pounds (13.91 kg) in mass. [86]
The United States announces their intention to launch an artificial satellite [1] during the International Geophysical Year (1 July 1957 to 31 December 1958). / 1955 August 30 USSR In the Soviet Union, the commission approved launching a 1 ton satellite using the R-7 ICBM. [1] /
Photograph of Sputnik 2 and its rocket taken by Air Force personnel at Air Force Missile Test Center, Patrick AFB, Florida. On October 4, 1957, the Soviet Union launched Sputnik 1, the first artificial satellite of Earth in the history of humankind. Explorer 1 satellite, the third Satellite put into orbit, and the first by NASA