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Schlegel works on Columbus during spacewalk
ESA astronaut Hans Schlegel completed his first ever spacewalk. The second spacewalk of the STS-122 Shuttle mission lasted six hours 45 minutes.

Shortly after the spacewalk officially started to 15:27 CET (14:27 UT), Schlegel and NASA astronaut Rex Walheim headed out of the International Space Station’s Quest Airlock. The spacewalkers main task was to replace a nitrogen tank used to pressurise the Station's ammonia cooling system. The replacement of the tank is part of regular Station maintenance. A new nitrogen tank was carried to ISS inside Atlantis’ payload bay.

Credits: NASA
Christer Fuglesang photographed during an EVA on his Alissé mission.
Credits: NASA
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