The People's Liberation Army Astronaut Corps ( PLAAC ; Chinese : 中国人民解放军航天员大队 ), also known as the Chinese Astronaut Corps ( Chinese : 中国航天员大队 ), is a Beijing -based deputy-corps grade People's Liberation Army Aerospace Force (PLAASF) and is responsible for the selection and training of the astronaut corps for Project 921 , the Chinese manned space program.
55-635: The Neutral Buoyancy Laboratory ( NBL ) is an astronaut training facility and neutral buoyancy pool operated by NASA and located at the Sonny Carter Training Facility , near the Johnson Space Center in Houston , Texas . The NBL's main feature is a large indoor pool of water, in which astronauts may perform simulated EVA tasks in preparation for upcoming missions. Trainees wear suits designed to provide neutral buoyancy to simulate
110-520: A human mission to Mars . Over the last decade, flight surgeons and scientists at NASA have seen a pattern of vision problems in astronauts on long-duration space missions. The syndrome, known as visual impairment intracranial pressure (VIIP) , has been reported in nearly two-thirds of space explorers after long periods spent aboard the International Space Station (ISS). On 2 November 2017, scientists reported that significant changes in
165-709: A "spacewalk"), on 18 March 1965, on the Soviet Union's Voskhod 2 mission. This was followed two and a half months later by astronaut Ed White who made the first American EVA on NASA's Gemini 4 mission. The first crewed mission to orbit the Moon, Apollo 8 , included American William Anders who was born in Hong Kong, making him the first Asian-born astronaut in 1968. The Soviet Union, through its Intercosmos program, allowed people from other " socialist " (i.e. Warsaw Pact and other Soviet-allied) countries to fly on its missions, with
220-535: A crewed spacecraft, several other nations have sent people into space in cooperation with one of these countries, e.g. the Soviet-led Interkosmos program. Inspired partly by these missions, other synonyms for astronaut have entered occasional English usage. For example, the term spationaut (French: spationaute ) is sometimes used to describe French space travelers, from the Latin word spatium for "space";
275-609: A medically healthy environment for astronauts. People%27s Liberation Army Astronaut Corps In October 1992, a Commission for Science, Technology and Industry for National Defense - PLAAF joint task force started the preliminary selection for astronauts; 1,506 pilots were identified and twelve were chosen as candidates. The Astronaut Corps was established on January 5, 1998 and the twelve along with two PLAAF trainees sent to Yuri Gagarin Cosmonaut Training Center in 1996 forms Chinese Group 1. Seven pilots entered
330-615: A researcher from the Massachusetts Institute of Technology who flew on STS-9 in 1983. In December 1990, Toyohiro Akiyama became the first paying space traveler and the first journalist in space for Tokyo Broadcasting System , a visit to Mir as part of an estimated $ 12 million (USD) deal with a Japanese TV station, although at the time, the term used to refer to Akiyama was "Research Cosmonaut". Akiyama suffered severe space sickness during his mission, which affected his productivity. The first self-funded space tourist
385-573: Is John Glenn , one of the Mercury 7 , who was 77 when he flew on STS-95 . The longest time spent in space was by Russian Valeri Polyakov , who spent 438 days there. As of 2006, the most spaceflights by an individual astronaut is seven, a record held by both Jerry L. Ross and Franklin Chang-Diaz . The farthest distance from Earth an astronaut has traveled was 401,056 km (249,205 mi), when Jim Lovell , Jack Swigert , and Fred Haise went around
440-845: Is also where the Shuttle Training Aircraft is maintained and developed, although most flights of the aircraft are conducted from Edwards Air Force Base . Astronauts in training must learn how to control and fly the Space Shuttle; further, it is vital that they are familiar with the International Space Station so they know what they must do when they get there. The master's degree requirement can also be met by: Mission Specialist Educators , or "Educator Astronauts", were first selected in 2004; as of 2007, there are three NASA Educator astronauts: Joseph M. Acaba , Richard R. Arnold , and Dorothy Metcalf-Lindenburger . Barbara Morgan , selected as back-up teacher to Christa McAuliffe in 1985,
495-436: Is anticipated that remote guided ultrasound will have application on Earth in emergency and rural care situations, where access to a trained physician is often rare. A 2006 Space Shuttle experiment found that Salmonella typhimurium , a bacterium that can cause food poisoning , became more virulent when cultivated in space. More recently, in 2017, bacteria were found to be more resistant to antibiotics and to thrive in
550-512: Is called an astronaut . The first known use of the term "astronaut" in the modern sense was by Neil R. Jones in his 1930 short story "The Death's Head Meteor". The word itself had been known earlier; for example, in Percy Greg 's 1880 book Across the Zodiac , "astronaut" referred to a spacecraft. In Les Navigateurs de l'infini (1925) by J.-H. Rosny aîné , the word astronautique ( astronautics )
605-635: Is considered to be the first Educator astronaut by the media, but she trained as a mission specialist. The Educator Astronaut program is a successor to the Teacher in Space program from the 1980s. Astronauts are susceptible to a variety of health risks including decompression sickness , barotrauma , immunodeficiencies , loss of bone and muscle , loss of eyesight , orthostatic intolerance , sleep disturbances , and radiation injury. A variety of large scale medical studies are being conducted in space via
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#1732851607263660-455: Is strictly defined as the navigation of outer space within the local star system , i.e. Solar System . The phrase tàikōng rén ( 太空人 , "spaceman") is often used in Hong Kong and Taiwan . The term taikonaut is used by some English-language news media organizations for professional space travelers from China . The word has featured in the Longman and Oxford English dictionaries, and
715-626: The Ancient Greek ἄστρον ( astron ), meaning 'star', and ναύτης ( nautes ), meaning 'sailor') is a person trained, equipped, and deployed by a human spaceflight program to serve as a commander or crew member aboard a spacecraft . Although generally reserved for professional space travelers, the term is sometimes applied to anyone who travels into space, including scientists, politicians, journalists, and tourists . "Astronaut" technically applies to all human space travelers regardless of nationality. However, astronauts fielded by Russia or
770-557: The International Space Station : The first NASA astronauts were selected for training in 1959. Early in the space program, military jet test piloting and engineering training were often cited as prerequisites for selection as an astronaut at NASA, although neither John Glenn nor Scott Carpenter (of the Mercury Seven ) had any university degree, in engineering or any other discipline at the time of their selection. Selection
825-977: The Japan Aerospace Exploration Agency (JAXA) HTV , the European Space Agency ATV , the SpaceX Dragon , and the Orbital Sciences Corporation Cygnus . Full-scale mock-ups of equipment such as the Space Shuttle payload bay and Hubble Space Telescope have been removed, as they are no longer needed for training. The facility contains a hyperbaric chamber for treating any dive related emergencies, as well as an altitude chamber to simulate physiological effects of flying. 29°36′26″N 95°08′38″W / 29.6071°N 95.1439°W / 29.6071; -95.1439 Astronaut An astronaut (from
880-593: The Kármán line , at an altitude of 100 kilometers (62 mi). In the United States, professional, military, and commercial astronauts who travel above an altitude of 80 kilometres (50 mi) are awarded astronaut wings . As of 17 November 2016 , 552 people from 36 countries have reached 100 km (62 mi) or more in altitude, of whom 549 reached low Earth orbit or beyond. Of these, 24 people have traveled beyond low Earth orbit, either to lunar orbit,
935-663: The Malay term angkasawan (deriving from angkasa meaning 'space') was used to describe participants in the Angkasawan program (note its similarity with the Indonesian term antariksawan ). Plans of the Indian Space Research Organisation to launch its crewed Gaganyaan spacecraft have spurred at times public discussion if another term than astronaut should be used for the crew members, suggesting vyomanaut (from
990-809: The National Space Biomedical Research Institute (NSBRI) to address these issues. Prominent among these is the Advanced Diagnostic Ultrasound in Microgravity Study in which astronauts (including former ISS commanders Leroy Chiao and Gennady Padalka ) perform ultrasound scans under the guidance of remote experts to diagnose and potentially treat hundreds of medical conditions in space. This study's techniques are now being applied to cover professional and Olympic sports injuries as well as ultrasound performed by non-expert operators in medical and high school students. It
1045-470: The People's Liberation Army Astronaut Corps astronauts and their foreign counterparts are all officially called hángtiānyuán ( 航天员 , meaning "heaven navigator" or literally " heaven-sailing staff"). Since 1961, 600 astronauts have flown in space. Until 2002, astronauts were sponsored and trained exclusively by governments, either by the military or by civilian space agencies. With the suborbital flight of
1100-705: The Sanskrit word vyoman meaning 'sky' or 'space') or gagannaut (from the Sanskrit word gagan for 'sky'). In Finland , the NASA astronaut Timothy Kopra , a Finnish American , has sometimes been referred to as sisunautti , from the Finnish word sisu . Across Germanic languages, the word for "astronaut" typically translates to "space traveler", as it does with German's Raumfahrer , Dutch's ruimtevaarder , Swedish's rymdfarare , and Norwegian's romfarer . As of 2021 in
1155-596: The Shenzhou 5 spacecraft. On 30 May 2020, Doug Hurley and Bob Behnken became the first astronauts to launch on a private crewed spacecraft, Crew Dragon . The youngest person to reach space is Oliver Daemen , who was 18 years and 11 months old when he made a suborbital spaceflight on Blue Origin NS-16 . Daemen, who was a commercial passenger aboard the New Shepard , broke the record of Soviet cosmonaut Gherman Titov , who
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#17328516072631210-556: The Soviet Union are typically known instead as cosmonauts (from the Russian "kosmos" (космос), meaning "space", also borrowed from Greek κόσμος ). Comparatively recent developments in crewed spaceflight made by China have led to the rise of the term taikonaut (from the Mandarin "tàikōng" ( 太空 ), meaning "space"), although its use is somewhat informal and its origin is unclear. In China,
1265-501: The microgravity that astronauts experience during spaceflight . In the late 1980s NASA began to consider replacing its previous neutral-buoyancy training facility, the Weightless Environment Training Facility (WETF). The WETF, located at Johnson Space Center, had been successfully used to train astronauts for numerous missions, but its pool was too small to hold useful mock-ups of space station components of
1320-498: The planet Mars , may substantially damage the gastrointestinal tissues of astronauts. The studies support earlier work that found such journeys could significantly damage the brains of astronauts, and age them prematurely. Researchers in 2018 reported, after detecting the presence on the International Space Station (ISS) of five Enterobacter bugandensis bacterial strains, none pathogenic to humans, that microorganisms on ISS should be carefully monitored to continue assuring
1375-468: The " Vomit Comet ," the nickname given to a pair of modified KC-135s (retired in 2000 and 2004, respectively, and replaced in 2005 with a C-9 ) which perform parabolic flights. Astronauts are also required to accumulate a number of flight hours in high-performance jet aircraft. This is mostly done in T-38 jet aircraft out of Ellington Field , due to its proximity to the Johnson Space Center . Ellington Field
1430-532: The 100 kilometers (54 nautical miles) line, qualifying him by the international definition of spaceflight. Walker had joined the US Army Air Force but was not a member during his flight. The first people in space who had never been a member of any country's armed forces were both Konstantin Feoktistov and Boris Yegorov aboard Voskhod 1 . The first non-governmental space traveler was Byron K. Lichtenberg ,
1485-624: The Astronaut Corps in May 2010 as Group 2. In 2014, Group 1 astronauts Wu Jie , Li Qinglong , Chen Quan , Zhao Chuandong , and Pan Zhanchun retired from the Astronaut Corps due to age; none of them had flown in a mission. The Astronaut Corps was part of the General Armaments Department until GAD was disbanded in January 2016. As part of the 2015 military reform , it became part of
1540-457: The Earth was John Glenn , aboard Friendship 7 on 20 February 1962. The first American woman in space was Sally Ride , during Space Shuttle Challenger 's mission STS-7 , on 18 June 1983. In 1992, Mae Jemison became the first African American woman to travel in space aboard STS-47 . Cosmonaut Alexei Leonov was the first person to conduct an extravehicular activity (EVA), (commonly called
1595-524: The European Space Agency envisioned recruiting an astronaut with a physical disability, a category they called "parastronauts", with the intention but not guarantee of spaceflight. The categories of disability considered for the program were individuals with lower limb deficiency (either through amputation or congenital), leg length difference, or a short stature (less than 130 centimetres or 4 feet 3 inches). On 23 November 2022, John McFall
1650-506: The Moon during the Apollo 13 emergency. The first civilian in space was Valentina Tereshkova aboard Vostok 6 (she also became the first woman in space on that mission). Tereshkova was only honorarily inducted into the USSR's Air Force, which did not accept female pilots at that time. A month later, Joseph Albert Walker became the first American civilian in space when his X-15 Flight 90 crossed
1705-488: The NBL from McDonnell Douglas in the early 1990s and began refitting it as a neutral-buoyancy training center in 1995. The diving tank is 202 feet (62 m) in length, 102 feet (31 m) wide, and 40 feet (12 m) deep, and contains 6.2 million US gallons (23 million litres) of water. The NBL contains full-scale mock-ups of International Space Station (ISS) modules and payloads, as well as visiting vehicles such as
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1760-451: The Russian kosmonavt, such as the Polish : kosmonauta (although Poles also used astronauta , and the two words are considered synonyms). Coinage of the term космонавт has been credited to Soviet aeronautics (or " cosmonautics ") pioneer Mikhail Tikhonravov (1900–1974). The first cosmonaut was Soviet Air Force pilot Yuri Gagarin , also the first person in space. He was part of
1815-604: The United States, astronaut status is conferred on a person depending on the authorizing agency: On July 20, 2021, the FAA issued an order redefining the eligibility criteria to be an astronaut in response to the private suborbital spaceflights of Jeff Bezos and Richard Branson . The new criteria states that one must have "[d]emonstrated activities during flight that were essential to public safety, or contributed to human space flight safety" to qualify as an astronaut. This new definition excludes Bezos and Branson. The first human in space
1870-637: The first Asian in space when he flew aboard Soyuz 37 . Also in 1980, Cuban Arnaldo Tamayo Méndez became the first person of Hispanic and black African descent to fly in space, and in 1983, Guion Bluford became the first African American to fly into space. In April 1985, Taylor Wang became the first ethnic Chinese person in space. The first person born in Africa to fly in space was Patrick Baudry (France), in 1985. In 1985, Saudi Arabian Prince Sultan Bin Salman Bin AbdulAziz Al-Saud became
1925-437: The first American to ride to space on board a Russian launch vehicle, and thus became the first "American cosmonaut". In Chinese, the term Yǔ háng yuán ( 宇航员 , "cosmos navigating personnel") is used for astronauts and cosmonauts in general, while hángtiān yuán ( 航天员 , "navigating celestial-heaven personnel") is used for Chinese astronauts. Here, hángtiān ( 航天 , literally "heaven-navigating", or spaceflight )
1980-548: The first Arab Muslim astronaut in space. In 1988, Abdul Ahad Mohmand became the first Afghan to reach space, spending nine days aboard the Mir space station. With the increase of seats on the Space Shuttle, the U.S. began taking international astronauts. In 1983, Ulf Merbold of West Germany became the first non-US citizen to fly in a US spacecraft. In 1984, Marc Garneau became the first of eight Canadian astronauts to fly in space (through 2010). In 1985, Rodolfo Neri Vela became
2035-418: The first Mexican-born person in space. In 1991, Helen Sharman became the first Briton to fly in space. In 2002, Mark Shuttleworth became the first citizen of an African country to fly in space, as a paying spaceflight participant. In 2003, Ilan Ramon became the first Israeli to fly in space, although he died during a re-entry accident . On 15 October 2003, Yang Liwei became China's first astronaut on
2090-698: The first person in space twice. Space travelers have spent over 41,790 man-days (114.5-man-years) in space, including over 100 astronaut-days of spacewalks . As of 2024 , the man with the longest cumulative time in space is Oleg Kononenko , who has spent over 1100 days in space. Peggy A. Whitson holds the record for the most time in space by a woman, at 675 days. In 1959, when both the United States and Soviet Union were planning, but had yet to launch humans into space, NASA Administrator T. Keith Glennan and his Deputy Administrator, Hugh Dryden , discussed whether spacecraft crew members should be called astronauts or cosmonauts . Dryden preferred "cosmonaut", on
2145-448: The first six Soviet citizens, with German Titov , Yevgeny Khrunov , Andriyan Nikolayev , Pavel Popovich , and Grigoriy Nelyubov , who were given the title of pilot-cosmonaut in January 1961. Valentina Tereshkova was the first female cosmonaut and the first and youngest woman to have flown in space with a solo mission on the Vostok 6 in 1963. On 14 March 1995, Norman Thagard became
2200-434: The grounds that flights would occur in and to the broader cosmos , while the "astro" prefix suggested flight specifically to the stars . Most NASA Space Task Group members preferred "astronaut", which survived by common usage as the preferred American term. When the Soviet Union launched the first man into space, Yuri Gagarin in 1961, they chose a term which anglicizes to "cosmonaut". A professional space traveler
2255-510: The lunar surface, or, in one case, a loop around the Moon . Three of the 24— Jim Lovell , John Young and Eugene Cernan —did so twice. As of 17 November 2016 , under the U.S. definition, 558 people qualify as having reached space, above 50 miles (80 km) altitude. Of eight X-15 pilots who exceeded 50 miles (80 km) in altitude, only one, Joseph A. Walker , exceeded 100 kilometers (about 62.1 miles) and he did it two times, becoming
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2310-453: The near-weightlessness of space. Microorganisms have been observed to survive the vacuum of outer space. On 31 December 2012, a NASA -supported study reported that human spaceflight may harm the brain and accelerate the onset of Alzheimer's disease . In October 2015, the NASA Office of Inspector General issued a health hazards report related to space exploration , including
2365-575: The notable exceptions of France and Austria participating in Soyuz TM-7 and Soyuz TM-13 , respectively. An example is Czechoslovak Vladimír Remek , the first cosmonaut from a country other than the Soviet Union or the United States , who flew to space in 1978 on a Soyuz-U rocket. Rakesh Sharma became the first Indian citizen to travel to space. He was launched aboard Soyuz T-11 , on 2 April 1984. On 23 July 1980, Pham Tuan of Vietnam became
2420-564: The position and structure of the brain have been found in astronauts who have taken trips in space , based on MRI studies . Astronauts who took longer space trips were associated with greater brain changes. Being in space can be physiologically deconditioning on the body. It can affect the otolith organs and adaptive capabilities of the central nervous system . Zero gravity and cosmic rays can cause many implications for astronauts. In October 2018, NASA -funded researchers found that lengthy journeys into outer space , including travel to
2475-487: The privately funded SpaceShipOne in 2004, a new category of astronaut was created: the commercial astronaut . The criteria for what constitutes human spaceflight vary, with some focus on the point where the atmosphere becomes so thin that centrifugal force , rather than aerodynamic force , carries a significant portion of the weight of the flight object. The Fédération Aéronautique Internationale (FAI) Sporting Code for astronautics recognizes only flights that exceed
2530-409: The sorts intended for the mooted Space Station Freedom , or its successor, the International Space Station. This new pool was going to be on Johnson Space Center property and was planned to be 72 meters (235 ft) by 41 meters (135 ft), with a depth of 18 meters (60 ft). To save money, it was downsized and placed inside an existing structure. NASA purchased the structure that now holds
2585-579: The term astronaut for members of its Astronaut Corps . By convention, an astronaut employed by the Russian Federal Space Agency (or its predecessor, the Soviet space program ) is called a cosmonaut in English texts. The word is an Anglicization of kosmonavt (Russian: космонавт Russian pronunciation: [kəsmɐˈnaft] ). Other countries of the former Eastern Bloc use variations of
2640-599: The term became more common in 2003 when China sent its first astronaut Yang Liwei into space aboard the Shenzhou 5 spacecraft. This is the term used by Xinhua News Agency in the English version of the Chinese People's Daily since the advent of the Chinese space program. The origin of the term is unclear; as early as May 1998, Chiew Lee Yih ( 趙裡昱 ) from Malaysia used it in newsgroups . For its 2022 Astronaut Group ,
2695-487: Was Dennis Tito on board the Russian spacecraft Soyuz TM-3 on 28 April 2001. The first person to fly on an entirely privately funded mission was Mike Melvill , piloting SpaceShipOne flight 15P on a suborbital journey, although he was a test pilot employed by Scaled Composites and not an actual paying space tourist. Jared Isaacman was the first person to self-fund a mission to orbit, commanding Inspiration4 in 2021. Nine others have paid Space Adventures to fly to
2750-452: Was 25 years old when he flew Vostok 2 . Titov remains the youngest human to reach orbit ; he rounded the planet 17 times. Titov was also the first person to suffer space sickness and the first person to sleep in space, twice. The oldest person to reach space is William Shatner , who was 90 years old when he made a suborbital spaceflight on Blue Origin NS-18 . The oldest person to reach orbit
2805-443: Was Soviet Yuri Gagarin , who was launched on 12 April 1961, aboard Vostok 1 and orbited around the Earth for 108 minutes. The first woman in space was Soviet Valentina Tereshkova , who launched on 16 June 1963, aboard Vostok 6 and orbited Earth for almost three days. Alan Shepard became the first American and second person in space on 5 May 1961, on a 15-minute sub-orbital flight aboard Freedom 7 . The first American to orbit
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#17328516072632860-547: Was initially limited to military pilots. The earliest astronauts for both the US and the USSR tended to be jet fighter pilots, and were often test pilots. Once selected, NASA astronauts go through twenty months of training in a variety of areas, including training for extravehicular activity in a facility such as NASA's Neutral Buoyancy Laboratory . Astronauts-in-training (astronaut candidates) may also experience short periods of weightlessness ( microgravity ) in an aircraft called
2915-462: Was selected to be the first ESA parastronaut. With the rise of space tourism , NASA and the Russian Federal Space Agency agreed to use the term " spaceflight participant " to distinguish those space travelers from professional astronauts on missions coordinated by those two agencies. While no nation other than Russia (and previously the Soviet Union), the United States, and China have launched
2970-500: Was the establishment of the annual International Astronautical Congress in 1950, and the subsequent founding of the International Astronautical Federation the following year. NASA applies the term astronaut to any crew member aboard NASA spacecraft bound for Earth orbit or beyond. NASA also uses the term as a title for those selected to join its Astronaut Corps . The European Space Agency similarly uses
3025-526: Was used. The word may have been inspired by "aeronaut", an older term for an air traveler first applied in 1784 to balloonists . An early use of "astronaut" in a non-fiction publication is Eric Frank Russell 's poem "The Astronaut", appearing in the November 1934 Bulletin of the British Interplanetary Society . The first known formal use of the term astronautics in the scientific community
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