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The Bulgarian Cosmonauts
The Bulgarian cosmonaut program refers to human spaceflight efforts by the People's Republic of Bulgaria. The idea of a Bulgarian manned space mission predated the launch of ''Sputnik 1'', the first artificial satellite. An informal proposal for the Soviet Union to send a Bulgarian cosmonaut in space was issued in 1964, but it was not seriously considered by the Soviets. Official space cooperation began in 1966 with the establishment of the Interkosmos programme which allowed Communist Bloc countries to access Soviet space technology and assets. Under Interkosmos, Bulgaria sent its first cosmonaut, Georgi Ivanov, to the Salyut 6 space station in 1979 and became the sixth country in the world to have a citizen in space. However, a malfunction in his Soyuz 33 spacecraft prevented the crew from docking, and Ivanov only spent 31 orbits around Earth before safely descending back to Earth. A second Bulgarian cosmonaut, Aleksandar Aleksandrov, spent ten days on the Mir Space Station in 1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Human Spaceflight
Human spaceflight (also referred to as manned spaceflight or crewed spaceflight) is spaceflight with a crew or passengers aboard a spacecraft, often with the spacecraft being operated directly by the onboard human crew. Spacecraft can also be remotely operated from ground stations on Earth, or autonomously, without any direct human involvement. People trained for spaceflight are called astronauts (American or other), ''cosmonauts'' (Russian), or ''taikonauts'' (Chinese); and non-professionals are referred to as spaceflight participants or ''spacefarers''. The first human in space was Soviet cosmonaut Yuri Gagarin, who launched as part of the Soviet Union's Vostok program on 12 April 1961 at the beginning of the Space Race. On 5 May 1961, Alan Shepard became the first American in space, as part of Project Mercury. Humans traveled to the Moon nine times between 1968 and 1972 as part of the United States' Apollo program, and have had a continuous presence in space for on the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aviation Medicine
Aviation medicine, also called flight medicine or aerospace medicine, is a preventive or occupational medicine in which the patients/subjects are pilots, aircrews, or astronauts. The specialty strives to treat or prevent conditions to which aircrews are particularly susceptible, applies medical knowledge to the human factors in aviation and is thus a critical component of aviation safety. A military practitioner of aviation medicine may be called a flight surgeon and a civilian practitioner is an aviation medical examiner. One of the biggest differences between the military and civilian flight doctors is the military flight surgeon's requirement to log flight hours. Overview Broadly defined, this subdiscipline endeavors to discover and prevent various adverse physiological responses to hostile biologic and physical stresses encountered in the aerospace environment. Problems range from life support measures for astronauts to recognizing an ear block in an infant traveling on an a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Astronauts By Year Of Selection
This is a list of astronauts by year of selection: people selected to train for a human spaceflight program to command, pilot, or serve as a crew member of a spacecraft. Until recently, astronauts were sponsored and trained exclusively by governments, either by the military or by civilian space agencies. However, with the advent of suborbital flight starting with privately funded SpaceShipOne in 2004, a new category of astronaut was created: the commercial astronaut. While the term astronaut is sometimes applied to anyone who trains for travels into space—including scientists, politicians, journalists, and tourists—this article lists only professional astronauts, those who have been selected to train as a profession. This includes national space programs and private industry programs which train and/or hire their own professional astronauts. More than 500 people have trained as astronauts. A list of everyone who has flown in space can be found at ''List of space travelers b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Communist Bloc
The Eastern Bloc, also known as the Communist Bloc and the Soviet Bloc, was the group of socialist states of Central and Eastern Europe, East Asia, Southeast Asia, Africa, and Latin America under the influence of the Soviet Union that existed during the Cold War (1947–1991). These states followed the ideology of Marxism–Leninism, in opposition to the Capitalism, capitalist Western Bloc. The Eastern Bloc was often called the Second World, whereas the term "First World" referred to the Western Bloc and "Third World" referred to the Non-Aligned Movement, non-aligned countries that were mainly in Africa, Asia, and Latin America but notably also included former Tito–Stalin split, pre-1948 Soviet ally SFR Yugoslavia, which was located in Europe. In Western Europe, the term Eastern Bloc generally referred to the USSR and Central and Eastern European countries in the Comecon (East Germany, Polish People's Republic, Poland, Czechoslovak Socialist Republic, Czechoslovakia, Hungarian ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sounding Rocket
A sounding rocket or rocketsonde, sometimes called a research rocket or a suborbital rocket, is an instrument-carrying rocket designed to take measurements and perform scientific experiments during its sub-orbital flight. The rockets are used to launch instruments from 48 to 145 km (30 to 90 miles) above the surface of the Earth, the altitude generally between weather balloons and satellites; the maximum altitude for balloons is about 40 km (25 miles) and the minimum for satellites is approximately 121 km (75 miles). Certain sounding rockets have an apogee between 1,000 and 1,500 km (620 and 930 miles), such as the Black Brant X and XII, which is the maximum apogee of their class. Sounding rockets often use military surplus rocket motors. NASA routinely flies the Terrier Mk 70 boosted Improved Orion, lifting 270–450-kg (600–1,000-pound) payloads into the exoatmospheric region between 97 and 201 km (60 and 125 miles). Etymology The origin of the term ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Todor Zhivkov
Todor Hristov Zhivkov ( bg, Тодор Христов Живков ; 7 September 1911 – 5 August 1998) was a Bulgarian communist statesman who served as the ''de facto'' leader of the People's Republic of Bulgaria (PRB) from 1954 until 1989 as General Secretary of the Bulgarian Communist Party. He was the second longest-serving leader in the Eastern Bloc after Yumjaagiin Tsedenbal, the longest-serving leader within the Warsaw Pact and the longest-serving non-royal ruler in Bulgarian history. He became First Secretary of the Bulgarian Communist Party (BCP) in 1954 (General Secretary from April 1981), served as List of Prime Ministers of Bulgaria, Prime Minister from 1962 to 1971 and from 1971 onwards as List of heads of state of Bulgaria, Chairman of the State Council, concurrently with his post as First Secretary. He remained in these positions for 35 years, until 1989, thus becoming the second longest-serving leader of any European Eastern Bloc nation after World War II, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rodion Malinovsky
Rodion Yakovlevich Malinovsky (russian: Родио́н Я́ковлевич Малино́вский, ukr, Родіо́н Я́кович Малино́вський ; – 31 March 1967) was a Soviet military commander. He was Marshal of the Soviet Union, and Minister of Defence of the Soviet Union in the late 1950s and 1960s. During World War II, he contributed to the defeat of Nazi Germany at the Battle of Stalingrad and the Battle of Budapest. During the post-war era, he made a pivotal contribution to the strengthening of the Soviet Union as a military superpower. Early life Before and during World War I A Ukrainian, Malinovsky was born in Odessa to a single mother (a version has Malinovsky being born after the death of his father, others simply have the father as unknown). Malinovsky's mother soon left the city for the rural areas of Southern Russia, and married. Her husband, a poverty-stricken peasant, refused to adopt her son and expelled him when Malinovsky was only 13 yea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yuri Gagarin
Yuri Alekseyevich Gagarin; Gagarin's first name is sometimes transliterated as ''Yuriy'', ''Youri'', or ''Yury''. (9 March 1934 – 27 March 1968) was a Soviet pilot and cosmonaut who became the first human to journey into outer space. Travelling in the Vostok 1 capsule, Gagarin completed one orbit of Earth on 12 April 1961. By achieving this major milestone in the Space Race he became an international celebrity, and was awarded many medals and titles, including Hero of the Soviet Union, his nation's highest honour. Gagarin was born in the Russian village of Klushino, and in his youth was a foundryman at a steel plant in Lyubertsy. He later joined the Soviet Air Forces as a pilot and was stationed at the Luostari/Pechenga (air base), Luostari Air Base, near the Norwegian border, before his selection for the Soviet space programme with five other cosmonauts. Following his spaceflight, Gagarin became deputy training director of the Yuri Gagarin Cosmonaut Training Center, Cos ... [...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] |
Bulgarian State Plane Factory
State Plane Factory ( Bulgarian:Държавна самолетна фабрика) was established in 1938 and operated until 1954 in Lovech. History The buildings of the factory were constructed from Polish engineers. In the first years in the factory worked around 50 years. Chief engineer is Dimitar Atanasov, chief of the engineering department – engineer Konstantin Boshnakov, constructors – Boris Bonchev, Anton Daskalov, Peter Hristanov, Dimitar Manolov, Vladimir Vlahov. Products See also * Darzhavna Aeroplanna Rabotilnitsa Darzhavna aeroplanna rabotilnitsa (''Държавна аеропланна работилница'' - State Aircraft Workshops), abbreviated DAR (''ДАР''), was the first Bulgarian aircraft manufacturer, established in 1924 at Bojourishte. Hi ... References Footnotes Notes Bibliography * {{Refend Aircraft manufacturers of Bulgaria Lovech ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Defence Assistance Organisation
The Defence Assistance Organisation ( bg, Организация за съдействие на отбраната, ОСО), initially the Voluntary Defence Assistance Organisation ( bg, Доброволна организация за съдействие на отбраната, ДОСО) was a government-sponsored network of youth clubs in the People's Republic of Bulgaria. It was created in 1947 as the ''People's Union of Sports and Technics'', a government-sponsored body where Bulgarian youth could voluntarily engage in activities that were in some form related to the Bulgarian People's Army. The ''People's Union'' was reformed into the Voluntary Defence Assistance Organisation in 1951. It primarily consisted of various interest clubs for practical education in driving and automotive mechanics, amateur radio, sailing, shooting, paragliding, flight training and airmanship, diving and many others. DAO clubs were part of a concentric nationwide network and were usually attache ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sofia
Sofia ( ; bg, София, Sofiya, ) is the capital and largest city of Bulgaria. It is situated in the Sofia Valley at the foot of the Vitosha mountain in the western parts of the country. The city is built west of the Iskar river, and has many mineral springs, such as the Sofia Central Mineral Baths. It has a humid continental climate. Being in the centre of the Balkans, it is midway between the Black Sea and the Adriatic Sea, and closest to the Aegean Sea. Known as Serdica in Antiquity and Sredets in the Middle Ages, Sofia has been an area of human habitation since at least 7000 BC. The recorded history of the city begins with the attestation of the conquest of Serdica by the Roman Republic in 29 BC from the Celtic tribe Serdi. During the decline of the Roman Empire, the city was raided by Huns, Visigoths, Avars and Slavs. In 809, Serdica was incorporated into the Bulgarian Empire by Khan Krum and became known as Sredets. In 1018, the Byzantines ended Bulgarian rule ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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