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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.
The timeline of first Earth observation satellites shows, in chronological order, those successful Earth observation satellites, that is, Earth satellites with a program of Earth science. Sputnik 1, while the first satellite ever launched, did not conduct Earth science. Explorer 1 was the first satellite to make an Earth science discovery when ...
PROBA-1 Small satellite to observe the Earth (first Belgian Satellite) 2003 Canada: MOST: Earth: Success: MOST the smallest space telescope in orbit. Turkey: BİLSAT: Earth: Success: BİLSAT, Turkey's first earth observation satellite: 2002 US: CONTOUR: Comet Encke: Failure: CONTOUR launched, but lost during early trajectory insertion. Europe ...
The first artificial satellite launched into the Earth's orbit was the Soviet Union's Sputnik 1, on October 4, 1957. As of December 31, 2022, there are 6,718 operational satellites in the Earth's orbit, of which 4,529 belong to the United States (3,996 commercial), 590 belong to China, 174 belong to Russia, and 1,425 belong to other nations.
[a] The first successful large-scale rocket programs were initiated in Nazi Germany by Wernher von Braun. The Soviet Union took the lead in the post-war Space Race, launching the first satellite, [1] the first animal, [2]: 155 the first human [3] and the first woman [4] into orbit. The United States landed the first men on the Moon in 1969 ...
The world's first wooden satellite, built by Japanese researchers, was launched into space on Tuesday, in an early test of using timber in lunar and Mars exploration. LignoSat, developed by Kyoto ...
The first artificial object sent into space was the Soviet satellite Sputnik 1, launched on 4 October 1957, which successfully orbited Earth until 4 January the following year. [65] The American probe Explorer 6 , launched in 1959, was the first satellite to image Earth from space.
India’s space agency Isro has launched its first satellite to study black holes and announced ambitious plans for 2024 that include gearing up for its first crewed mission to space.