Spacewalking astronauts grease robot arm’s new hand
By HOGP | Tuesday, October 10, 2017, 8:38 a.m.
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In this frame from NASA TV, Astronauts Mark Vande Hei and Randy Bresnik, right, emerge from the International Space Station on Tuesday, Oct. 10, 2017. The astronauts went out on a spacewalk to grease the robot arm’s new hand. (NASA