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Spacewalking Astronauts Finishing Months of Robot Arm Repair

Spacewalking astronauts stepped out Friday to wrap up months of repair work on the International Space Station's big robot arm. NASA astronaut Mark Vande Hei and Japan's Norishige Kanai emerged from the orbiting complex as the sun rose over Peru's western coast, 250 miles below. The 58-foot robot arm had both of its aging mechanical hands replaced on spacewalks conducted in October and January. Friday's work involved bringing one of those old hands inside so it can be...

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