In an image made from NASA TV, space station commander Sunita Williams, 

In an image made from NASA TV, space station commander Sunita Williams, center, works on a leaky radiator system outside the International Space Station on Thursday, Nov. 1, 2012, just hours after barely dodging a menacing piece of orbiting junk. Williams and Japanese astronaut Akihiko Hoshide wasted no time installing jumper cables outside their home for the past four months. Their objective was to isolate a suspect radiator to help determine whether that is the source of the ammonia coolant leak, and deploy a spare radiator to bypass the troublesome section. (AP Photo/NASA)
Associated Press
In an image made from NASA TV, space station commander Sunita Williams, center, works on a leaky radiator system outside the International Space Station on Thursday, Nov. 1, 2012, just hours after barely dodging a menacing piece of orbiting junk. Williams and Japanese astronaut Akihiko Hoshide wasted no time installing jumper cables outside their home for the past four months. Their objective was to isolate a suspect radiator to help determine whether that is the source of the ammonia coolant leak, and deploy a spare radiator to bypass the troublesome section. (AP Photo/NASA)
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