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Encyclopedia > Taikonaut
U.S. Space Shuttle astronaut using a manned maneuvering unit. Picture courtesy NASA
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U.S. Space Shuttle astronaut Bruce McCandless II using a manned maneuvering unit. Picture courtesy NASA

A cosmonaut, astronaut, spationaut or taikonaut is a person who travels into space, or who makes a career of doing so. The criteria for determining who has achieved human spaceflight vary (see edge of space). In the United States, people who travel above an altitude of 50 miles (approximately 80 kilometers) are designated as astronauts. The FAI defines spaceflight as over 100 km (approximately 62 miles). To October 14, 2004, a total of 443 humans had spent a total of 27,472 crew-days in space (by the US definition) including 99 crew-days of spacewalks. 437 people qualify under the FAI definition. Those who have achieved this are said to hold astronaut wings. Astronauts from at least 32 countries have gone into space.

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International variations

By convention, space travellers employed by the Russian Aviation and Space Agency or its Soviet predecessor is called a cosmonaut. "Cosmonaut" is an anglification of the Russian word космонавт (kosmonavt), which in turn derives from the Greek words kosmos, meaning "universe" and nautes, meaning "sailor".


In the USA, a space traveller is called an astronaut. The term derives of the Greek words stron ("star") and nautes, ("sailor"). For the most part, "cosmonaut" and "astronaut" are synonyms in all languages, and the usage of choice is often dictated by political reasons. However in the United States, the term "astronaut" is typically applied to the individual as soon as training begins, while in Russia, an individual is not labelled a cosmonaut until successful space flight. On March 14, 1995 astronaut Norman Thagard became the first American to ride to space on-board a Russian launch vehicle, arguably becoming the first American cosmonaut in the process.


European (outside of the UK) space travellers are called spationauts (a hybrid word formed from the Latin spatium, "space", and Greek nautes, "sailor"). While Europe has not yet produced manned spaceships, it has sent men and women into space in cooperation with the Soviet Union, and, to a lesser extent, the United States of America.


The term taikonaut is sometimes used in English for astronauts from China by Western news media. The term was coined in May 1998 by Chiew Lee Yih from Malaysia, who used it first in newsgroups. Almost simultaneously, Chen Lan coined it for use in the Western media based on the term "tikōng" (太空), Chinese for space. In Chinese itself, however, the term yuhangyuan (宇航員 yǔhng yun) ("space navigator") has long been used and refers to astronauts and cosmonauts. The closest term using taikong is a colloquialism tikōng rn (太空人, literally space human) which refers to people who has actually been in space. Official English text issued by the Chinese government uses the term "astronaut."

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Astronauts on the International Space Station

Space milestones

The first cosmonaut was Yuri Gagarin, who was launched into space on April 12, 1961 aboard Vostok 1. The first woman cosmonaut was Valentina Tereshkova, launched into space in June 1963 aboard Vostok 6. Alan Shepard became the first American in space in May 1961. On July 23, 1980 Pham Tuan of Vietnam became the first Asian in space when he flew aboard Soyuz 37. On October 15, 2003 Yang Liwei became China's first astronaut on the Shenzhou 5 spacecraft.


The youngest person to fly in space is Gherman Titov, who was roughly 26 years old when he flew Vostok 2, and the oldest is John Glenn who was 77 when he flew on STS-95. The longest stay in space was 438 days by Valeri Polyakov. As of 2005, the most spaceflights by an individual astronaut was seven, a record held by both Jerry L. Ross and Franklin Chang-Diaz. The furthest distance from Earth an astronaut has traveled was 401,056 km (during the Apollo 13 emergency).


The first non-governmental astronaut was Christa McAuliffe, who was killed during the Space Shuttle Challenger disaster on January 28, 1986. The first astronaut to fly a privately-funded mission was Mike Melvill, on SpaceShipOne flight 15P (only according to American space flight definition). This should be contrasted with the various millionaire space tourists, who have flown as passengers, or minor crew members, on publicly funded flights (generally Russian resupply flights to the ISS). The first space tourist was Dennis Tito (April 28, 2001).


In the United States, persons selected as astronaut candidates receive silver Astronaut wings. Once they have flown in space they receive gold Astronaut wings. The United States Air Force also presents Astronaut wings to its pilots who exceed 50 miles in altitude.


International astronauts

Up until the end of the 1970s only Americans and Soviets were active astronauts. In 1976 the Soviets started the Intercosmos program with a first group of 6 cosmonauts from fellow socialist countries, a second group started training in 1978. At about the same time in 1978 the European Space Agency selected 4 astronauts to train for the first Spacelab mission on board of the Space Shuttle. In 1980 France started their own selection of astronauts, followed in 1982 by Germany, in 1983 by Canada, in 1985 by Japan and Italy in 1988. Several more international payload specialist were selected for the Space Shuttle, and also later for international Soyuz missions of Russia. In 1998 the European Space Agency formed a single astronaut corps of 18 by dissolving the former national corps of France, Germany and Italy.


Astronaut training

The first astronauts, both in the USA and USSR, tended to be jet fighter pilots, often test pilots, from military backgrounds. Military astronauts receive a special qualification badge, known as the Astronaut Badge upon completion of Astronaut training and participation in a space flight.


Astronaut deaths

So far, eighteen astronauts have been killed on space missions, and at least ten more have been killed in training accidents on the ground. See also: space disaster.


See also


  Results from FactBites:
 
Word Spy - taikonaut (234 words)
Yang Liwei, 38, a pilot for the People's Liberation Army air force since 1983, clambered into Shenzhou 5 with a tentative smile and a wave as technicians gently pushed down on his helmet so he wouldn't hit his head.
The identity of China's first "taikonaut" — after "taikong," the Chinese word for space —; was kept closely guarded until the launch took place.
Chinese astronauts are known as "yuhangyuan," or "travelers of the universe." "Taikonaut" is their English nickname.
Astronaut - Wikipedia, the free encyclopedia (1112 words)
U.S. Space Shuttle astronaut Bruce McCandless II using a manned maneuvering unit (MMU) outside the Challenger in 1984.
An astronaut, cosmonaut, spationaut or taikonaut (taikongren, 太空人) is a person who travels into space, or who makes a career of doing so.
Taikonaut is sometimes used in English for astronauts from China by Western news media.
  More results at FactBites »

 
 

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