关于这张图
S128-E-007696 (3 Sept. 2009) --- European Space Agency astronaut Christer Fuglesang, STS-128 mission specialist, participates in the mission's second session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 39-minute spacewalk, Fuglesang and NASA astronaut John “Danny” Olivas (out of frame), mission specialist, installed the new Ammonia Tank Assembly on the Port 1 Truss and stowed the empty tank assembly into the Space Shuttle Discovery’s cargo bay.
