extravehicular activity

Also found in: Thesaurus, Acronyms, Encyclopedia, Wikipedia.
Related to extravehicular activity: Spacewalking, EVA suit
click for a larger image
extravehicular activity
astronaut Randy Bresnik on a mission at the International Space Station in
November 2009

ex·tra·ve·hic·u·lar activity

n. Abbr. EVA
Activity or maneuvers performed by an astronaut outside a spacecraft in space.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
In this image obtained from NASA, Lunar Module pilot Buzz Aldrin was photographed during the Apollo 11 extravehicular activity on the moon by mission commander Neil Armstrong.
This July 20, 1969 photo made available by NASA shows the Mission Operations Control Room (MOCR) in the Mission Control Center (MCC), Building 30, during the Apollo 11 lunar extravehicular activity (EVA)
As part of the SMAEC II contract, SAIC will provide services to the International Space Station, Orion and Commercial Crew Programs and the Extravehicular Activity Project Office.
A spacewalk, also called EVA (extravehicular activity), is when an astronaut leaves their vehicle and goes out in space.
Aldrin Jr., lunar module pilot for the first lunar landing mission, salutes the deployed United States flag during Apollo 11 extravehicular activity on the lunar surface, on July 20, 1969.
Both missions combined, the astronaut logged 1,671 hours and 45 minutes in space, with more than 10 hours of extravehicular activity in Earth and Moon orbit.
On 23 May 2017, Dr Whitson donned a spacesuit to go on her 10th extravehicular activity - to fix a data relay box.
Maintenance of C[O.sub.2] production in low gravity will have implications when calibrating extravehicular activity (EVA) suits for excursions on Mars (13).
Soon he will start training for extravehicular activity (EVA) or space walks, in the Neutral Buoyancy Laboratory in Houston.
As with the past crews, they particularly enjoyed the extravehicular activity (EVA) on an asteroid conducted with virtual reality technology.
The overseas travel has two-week breaks when Hague returns to Houston for training on the US systems and for extravehicular activity (EVA), or spacewalks, and an opportunity to sleep in his own bed for a change.
The typical spacesuit allows up to 7-5 hours of maximum EVA (extravehicular activity) time spent outside the spacecraft in which the astronaut is with little protection.