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extravehicular activity

   Also found in: Acronyms, Encyclopedia, Wikipedia 0.02 sec.
ex·tra·ve·hic·u·lar activity  (kstr-v-hky-lr)
n. Abbr. EVA
Activity or maneuvers performed by an astronaut outside a spacecraft in space.


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Today's astronauts perform extravehicular activity (EVA), or spacewalks, up to seven hours at a time in virtually a "wearable spacecraft.
Wear the right stuff: spacesuit science. (Cover Story) by Chiang, Mona / Science World
NASA uses Jack to simulate a person in surroundings as diverse as the shirt-sleeve environment within a spacecraft and the cramped conditions inside a space suit during extravehicular activity.
Building a Supermodel by PERKINS, SID / Science News
In January 1995, NASA Ames Research Center sponsored a workshop titled "Application of Extravehicular Activity Technology for Multiple Sclerosis.
Technology Partnerships and Therapeutic Recreation by Wenzel, Karen / Parks & Recreation
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