NASA / SCIENCE PHOTO LIBRARY NASA / SCIENCE PHOTO LIBRARY
Spacewalk. Astronaut Scott Parazynski performing a spacewalk during a Space Shuttle Mission. A spacewalk is also known as ExtraVehicular Activity (EVA). Parazynski is seen tethered to the cargo bay of shuttle Atlantis. Parazynski shared this spacewalk with Vladimir Titov during shuttle mission STS-86 (25 September to 6 October 1997). Titov was a mission specialist who represented the Russian Space Agency during the shuttle mission.
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