Buy this STS122 Schlegel EVA space photo. High quality Space Shuttle picture, slide, or Duratrans backlit transparency. NASA photograph STS122-E-008222 . Wide variety of sizes. Click to see selection as Astronomy Picture of the Day (APOD) - February 19, 2008 European Space Agency (ESA) astronaut Hans Schlegel, STS-122 mission specialist, works on the new Columbus laboratory as he participates in the mission's second scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 45-minute spacewalk, among other tasks, Schlegel and NASA astronaut Rex Walheim (out of frame), mission specialist, worked to replace a nitrogen tank used to pressurize the station's ammonia cooling system. Date: February 13, 2008. Credits: Johnson Space Center NASA |