On Friday, 4 October 1957, the Soviets had orbited the world's first artificial satellite. Anyone who doubted its existence could walk into the backyard just after sunset and see it.— Mike Gray, Angle of Attack Initially, U.S. President Eisenhower was not surprised by Sputnik 1. He had been forewarned of the R-7's … See more Sputnik 1 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. It sent a radio signal back to Earth for three … See more Satellite construction project On 17 December 1954, chief Soviet rocket scientist Sergei Korolev proposed a developmental plan for an artificial satellite to the Minister of the Defense Industry, Dimitri Ustinov. Korolev forwarded a report by See more The control system of the Sputnik rocket was adjusted to an intended orbit of 223 by 1,450 km (139 by 901 mi), with an orbital period of 101.5 minutes. The trajectory had been calculated earlier by Georgi Grechko, using the USSR Academy of Sciences See more At least two vintage duplicates of Sputnik 1 exist, built apparently as backup units. One resides just outside Moscow in the corporate museum of Energia, the modern descendant of … See more Спутник-1, romanized as Sputnik-Odin (pronounced [ˈsputʲnʲɪk.ɐˈdʲin]), means 'Satellite-One'. The Russian word for satellite, sputnik, was coined in the 18th century by … See more The chief constructor of Sputnik 1 at OKB-1 was Mikhail S. Khomyakov. The satellite was a 585-millimetre (23.0 in) diameter sphere, assembled … See more Our movies and television programs in the fifties were full of the idea of going into space. What came as a surprise was that it was the Soviet Union that launched the first satellite. It is … See more WebThe first Soviet satellites orbiting Earth were named Sputnik, Polyot (starting in 1963), Elektron (in 1964), Proton (in 1965), and Molniya (in 1965), but most have been called Kosmos since Kosmos 1 on 16 March 1962. The program has included uncrewed tests of crewed spacecraft and satellites for scientific research and military purposes. [2]

Sputnik Satellites, History, & Facts Britannica

WebFeb 8, 2024 · A secretive Russian satellite broke apart in Earth's orbit, the US Space Force said on Monday. Kosmos 2499 launched secretly and made "suspicious" maneuvers to complete a mysterious mission.... WebFeb 10, 2024 · The Russian Kosmos 2499 satellite has been shrouded in mystery since it launched almost a decade ago. The secret satellite recently broke into 85 pieces and will pose a debris hazard for at least ... littlecloud eo

ESA’s JUICE mission to blast off for Jupiter’s icy moons in hours

The first Soviet satellites orbiting Earth were named Sputnik, Polyot (starting in 1963), Elektron (in 1964), Proton (in 1965), and Molniya (in 1965), but most have been called Kosmos since Kosmos 1 on 16 March 1962. The program has included uncrewed tests of crewed spacecraft and satellites for scientific research and military purposes. As of January 2024 , 2548 Kosmos satellites have been launched. The spacecraft do not form a single programme, but instead consist of almost al… WebSep 29, 2024 · The satellite was supposed to launch as the United States' contribution to science during International Geophysical Year (which ran from 1957-1958). Then history intervened. The Soviet Union... WebApr 12, 2011 · That year, Korolev’s plan to launch a satellite into space was approved, and on October 4, 1957, Sputnik 1 was fired into Earth’s orbit. It was the first Soviet victory of the space race, and ... little cloud nightstand circu