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extravehicular activity
(redirected from Extra-vehicular activity)

   Also found in: Encyclopedia, Wikipedia 0.01 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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With this spacewalk, China became the third country in history, after the United Sttes and the former Soviet Union, to have one of its citizens engage in, as NASA describes it, extra-vehicular activity.
Two mock-up Extra-Vehicular Activity suits also will be on display.
Chiao has logged over 229 days in space, over thirty-six hours of which were spent in Extra-Vehicular Activity (EVA, or spacewalks).
 
 
 
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