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Sputnik
Sputnik 1 (; see § Etymology) 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 weeks before its three silver-zinc batteries ran out, and continued in orbit for three months until aerodynamic drag caused it to fall back into the atmosphere on 4 January 1958. It was a polished metal sphere in diameter with four external radio antennas to broadcast radio pulses. Its radio signal was easily detectable by amateur radio operators, and the 65° orbital inclination made its flight path cover virtually the entire inhabited Earth. The satellite's unanticipated success precipitated the American Sputnik crisis and triggered the Space Race, part of the Cold War. The launch was the beginning of a new era of political, military, technological and scientific developments. The word ''sputnik'' is Russian for ''satellite'' when ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sputnik 2
Sputnik 2 (, russian: Спутник-2, ''Satellite 2''), or Prosteyshiy Sputnik 2 (PS-2, russian: Простейший Спутник 2, italic=yes, ''Simplest Satellite 2'') was the second spacecraft launched into Earth orbit, on 3 November 1957, and the first to carry a living animal, a Soviet space dog named Laika. Laika died on the fourth orbit due to overheating caused by an air conditioning malfunction. Launched by the Soviet Union, Sputnik 2 was a cone-shaped capsule with a base diameter of that weighed around , though it was not designed to separate from the rocket core that brought it to orbit, bringing the total mass in orbit to . It contained several compartments for radio transmitters, a telemetry system, a programming unit, a regeneration and temperature-control system for the cabin, and scientific instruments. A separate sealed cabin contained the dog Laika. Engineering and biological data were transmitted using the Tral D telemetry system, transmitting data to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sputnik Crisis
The Sputnik crisis was a period of public fear and anxiety in Western nations about the perceived technological gap between the United States and Soviet Union caused by the Soviets' launch of ''Sputnik 1'', the world's first artificial satellite. The crisis was a significant event in the Cold War that triggered the creation of NASA and the Space Race between the two superpowers. The satellite was launched on October 4, 1957, from the Baikonur Cosmodrome. This created a crisis reaction in national newspapers such as ''The New York Times'', which mentioned the satellite in 279 articles between October 6, 1957, and October 31, 1957 (more than 11 articles per day). Background In the early 1950s, Lockheed U-2 spy plane flights over the Soviet Union provided intelligence that the US held the advantage in nuclear capability. However, an education gap was identified when studies conducted between 1955 and 1961 reported that the Soviet Union was training two to three times as many sci ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sputnik Program
Sputnik (Спутник, Russian for "satellite"NOTE: The Russian word "sputnik" can have many meanings: "satellite", "travelling companion", "fellow traveller", etc. However, in astronomy, it means only "satellite".) is a spacecraft launched under the Soviet space program. "Sputnik 1", "Sputnik 2" and "Sputnik 3" were the official Soviet names of those objects, and the remaining designations in the series ("Sputnik 4" and so on) were not official names but names applied in the West to objects whose original Soviet names may not have been known at the time. Spacecraft officially named ''Sputnik'' * Sputnik 1, the first artificial satellite to go into orbit, launched 4 October 1957 * Sputnik 2, the first spacecraft to carry a living animal (the dog Laika) into orbit, launched 3 November 1957 * Sputnik 3, a research satellite launched 15 May 1958 Spacecraft with names containing ''Sputnik'' Being the Russian term for "satellite", the word ''Sputnik'' has appeared in the names of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Space Race
The Space Race was a 20th-century competition between two Cold War rivals, the United States and the Soviet Union, to achieve superior spaceflight capability. It had its origins in the ballistic missile-based nuclear arms race between the two nations following World War II. The technological advantage demonstrated by spaceflight achievement was seen as necessary for national security, and became part of the symbolism and ideology of the time. The Space Race brought pioneering launches of artificial satellites, robotic space probes to the Moon, Venus, and Mars, and human spaceflight in low Earth orbit and ultimately to the Moon. Public interest in space travel originated in the 1951 publication of a Soviet youth magazine and was promptly picked up by US magazines. The competition began on July 30, 1955 when the United States announced its intent to launch artificial satellites for the International Geophysical Year. Four days later, the Soviet Union responded by declaring ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sputnik (rocket)
The Sputnik rocket was an uncrewed orbital carrier rocket designed by Sergei Korolev in the Soviet Union, derived from the R-7 Semyorka ICBM. On 4 October 1957, it was used to perform the world's first satellite launch, placing ''Sputnik 1'' into a low Earth orbit. Two versions of the Sputnik were built, the Sputnik-PS (GRAU index 8K71PS), which was used to launch ''Sputnik 1'' and later ''Sputnik 2'', and the Sputnik (8A91), which failed to launch a satellite in April 1958, and subsequently launched ''Sputnik 3'' on 15 May 1958. A later member of the R-7 family, the Polyot, used the same configuration as the Sputnik rocket, but was constructed from Voskhod components. Because of the similarity, the Polyot was sometimes known as the Sputnik 11A59. Specifications *First Stage: Block B, V, G, D (four strap-on boosters) **Gross mass: 43.0 tons **Empty mass: 3.400 tons **Thrust (vac): 4 × 99,000 kgf = 396 Mgf (3.89 MN) **Isp: 306 s (3,000 N·s/kg) **Burn time: 120 s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Soviet Space Program
The Soviet space program (russian: Космическая программа СССР, Kosmicheskaya programma SSSR) was the national space program of the former Union of Soviet Socialist Republics (USSR), active from 1955 until the dissolution of the Soviet Union in 1991. Soviet investigations in rocketry began with the formation of a research laboratory in 1921, but these efforts were hampered by the devastating war with Germany. Competing in the Space Race with the United States and later with the European Union and China, the Soviet program was notable in setting many records in space exploration, including the first intercontinental missile that launched the first satellite and sent the first animal into Earth orbit in 1957, and placed the first human in space in 1961. In addition, the Soviet program also saw the first woman in space in 1963 and a cosmonaut performing the first spacewalk in 1965. Other milestones included computerized robotic missions exploring t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Energia (corporation)
PAO S. P. Korolev Rocket and Space Corporation Energia (russian: Ракетно-космическая корпорация «Энергия» им. С. П. Королёва, Raketno-kosmicheskaya korporatsiya "Energiya" im. S. P. Korolyova), also known as RSC Energia (, RKK "Energiya"), is a Russian manufacturer of spacecraft and space station components. The company is the prime developer and contractor of the Russian crewed spaceflight program; it also owns a majority of Sea Launch. Its name is derived from Sergei Korolev, the first chief of its design bureau, and the Russian word for energy. Overview Energia is the largest company of the Russian space industry and one of its key players. It is responsible for all operations involving human spaceflight and is the lead developer of the Soyuz and Progress spacecraft, and the lead developer of the Russian end of the International Space Station (ISS). In the mid-2000s, the company employed 22,000–30,000 people. The ent ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Satellite
A satellite or artificial satellite is an object intentionally placed into orbit in outer space. Except for passive satellites, most satellites have an electricity generation system for equipment on board, such as solar panels or radioisotope thermoelectric generators (RTGs). Most satellites also have a method of communication to ground stations, called Transponder (satellite communications), transponders. Many satellites use a Satellite bus, standardized bus to save cost and work, the most popular of which is small CubeSats. Similar satellites can work together as a group, forming Satellite constellation, constellations. Because of the high launch cost to space, satellites are designed to be as lightweight and robust as possible. Most communication satellites are radio Broadcast relay station, relay stations in orbit and carry dozens of transponders, each with a bandwidth of tens of megahertz. Satellites are placed from the surface to orbit by launch vehicles, high enough to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Soviet Union
The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national republics; in practice, both its government and its economy were highly centralized until its final years. It was a one-party state governed by the Communist Party of the Soviet Union, with the city of Moscow serving as its capital as well as that of its largest and most populous republic: the Russian SFSR. Other major cities included Leningrad (Russian SFSR), Kiev (Ukrainian SSR), Minsk ( Byelorussian SSR), Tashkent (Uzbek SSR), Alma-Ata (Kazakh SSR), and Novosibirsk (Russian SFSR). It was the largest country in the world, covering over and spanning eleven time zones. The country's roots lay in the October Revolution of 1917, when the Bolsheviks, under the leadership of Vladimir Lenin, overthrew the Russian Provisional Government ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
International Geophysical Year
The International Geophysical Year (IGY; french: Année géophysique internationale) was an international scientific project that lasted from 1 July 1957 to 31 December 1958. It marked the end of a long period during the Cold War when scientific interchange between East and West had been seriously interrupted. Sixty-seven countries participated in IGY projects, although one notable exception was the mainland People's Republic of China, which was protesting against the participation of the Republic of China (Taiwan). East and West agreed to nominate the Belgian Marcel Nicolet as secretary general of the associated international organization. The IGY encompassed eleven Earth sciences: aurora and airglow, cosmic rays, geomagnetism, gravity, ionospheric physics, longitude and latitude determinations (precision mapping), meteorology, oceanography, seismology, and solar activity. The timing of the IGY was particularly suited for studying some of these phenomena, since it covered th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cold War
The Cold War is a term commonly used to refer to a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the Eastern Bloc. The term '' cold war'' is used because there was no large-scale fighting directly between the two superpowers, but they each supported major regional conflicts known as proxy wars. The conflict was based around the ideological and geopolitical struggle for global influence by these two superpowers, following their temporary alliance and victory against Nazi Germany and Imperial Japan in 1945. Aside from the nuclear arsenal development and conventional military deployment, the struggle for dominance was expressed via indirect means such as psychological warfare, propaganda campaigns, espionage, far-reaching embargoes, rivalry at sports events, and technological competitions such as the Space Race. The Western Bloc was led by the United States as well as a number of other First W ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Baikonur Cosmodrome
The Baikonur Cosmodrome ( kk, Байқоңыр ғарыш айлағы, translit=Baiqoñyr ğaryş ailağy, ; russian: Космодром Байконур, translit=Kosmodrom Baykonur, ) is a spaceport in an area of southern Kazakhstan leased to Russia. The Cosmodrome is the world's first spaceport for orbital and human launches and the largest (in area) operational Spaceport, space launch facility. All crewed Russian spaceflights are launched from Baikonur. The spaceport is in the Kazakh Steppe, desert steppe of Baikonur, about east of the Aral Sea and north of the river Syr Darya. It is near the Tyuratam railway station and is about above sea level. The spaceport is currently leased by the Government of Kazakhstan, Kazakh Government to the Russian Federation until 2050 and is managed jointly by the Roscosmos State Corporation, Roscosmos and the Russian Aerospace Forces. The shape of the area leased is an ellipse, measuring east–west by north–south, with the cosmodrome at ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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