In this image made from video provided by NASA, Russian cosmonauts Pavel Vinogradov, left, and Roman Romanenko perform a spacewalk outside the International Space Station to gather old

 

              In this image made from video provided by NASA, Russian cosmonauts Pavel Vinogradov, left, and Roman Romanenko perform a spacewalk outside the International Space Station to gather old
In this image made from video provided by NASA, Russian cosmonauts Pavel Vinogradov, left, and Roman Romanenko perform a spacewalk outside the International Space Station to gather old science experiments and install new ones, and replace a navigation device. (AP Photo/NASA)
Tags: Science , NeW