关于这张图
iss059e016628 (April 8, 2019) --- Expedition 59 Flight Engineer David Saint-Jacques of the Canadian Space Agency participates in a six-and-a-half hour spacewalk with NASA astronaut Anne McClain (out of frame). The spacewalkers successfully established a redundant path of power to the Canadian-built robotic arm, known as Canadarm2, and installed cables to provide for more expansive wireless communications coverage outside the orbital complex, as well as for enhanced hardwired computer network capability. The duo also relocated an adapter plate from the first spacewalk in preparation for future …
