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What (who) is extravehicular - definition
SERIES OF SEMI-RIGID TWO-PIECE SPACE SUIT MODELS FROM THE UNITED STATES
Extra-vehicular mobility unit; Extravehicular mobility unit
extravehicular
[??kstr?v?'h?kj?l?]
¦ adjective relating to work performed in space outside a spacecraft.
Extravehicular Mobility Unit
The Extravehicular Mobility Unit (EMU) is an independent anthropomorphic spacesuit that provides environmental protection, mobility, life support, and communications for astronauts performing extravehicular activity (EVA) in Earth orbit. Introduced in 1981, it is a two-piece semi-rigid suit, and is currently one of two types of EVA spacesuits used by crew members on the International Space Station (ISS), the other being the Russian Orlan space suit.
Extravehicular activity
Extravehicular activity (EVA) is any activity done by an astronaut outside a spacecraft beyond the Earth's appreciable atmosphere. Normally, the term applies to what has been termed a spacewalk outside a craft that is orbiting Earth (such as the International Space Station).
Wikipedia
Extravehicular Mobility Unit
The Extravehicular Mobility Unit (EMU) is an independent anthropomorphic spacesuit that provides environmental protection, mobility, life support, and communications for astronauts performing extravehicular activity (EVA) in Earth orbit. Introduced in 1981, it is a two-piece semi-rigid suit, and is currently one of two types of EVA spacesuits used by crew members on the International Space Station (ISS), the other being the Russian Orlan space suit. It was used by NASA's Space Shuttle astronauts prior to the end of the Shuttle program in 2011.
Examples of use of extravehicular
1. AP A Nasa image shows Japanese astronaut Soichi Noguchi take a spacewalk in Discoverys first scheduled session of extravehicular activity.
2. One possibility would be for astronauts to attempt to repair the gap fillers during a spacewalk, referred to in NASA jargon as an EVA, for extravehicular activity.
3. At the end of the day, Tomas Gonzalez Torres, NASA‘s extravehicular activities officer, said engineers were astonished at how effectively the boom performed.
4. It required balancing the substantial risks of conducting a spacewalk, or extravehicular activity, with doing nothing on the assumption that all is well.
5. The training refreshed their skills operating the Simplified Aid for Extravehicular Activity Rescue, or SAFER, jetpack that is worn on spacesuits.