Spacewalkers continue space station battery refresh with successful EVA

Two spacewalking astronauts working outside the International Space Station Friday completed work to replace aging batteries in one of the lab’s eight main solar power circuits. A second spacewalk next week, along with additional work with the station’s robot arm, will upgrade a second power channel. Expedition 50 commander Shane Kimbrough and flight engineer Peggy Whitson — at 56, the oldest woman to fly in space and one of NASA’s most experienced spacewalkers — began the six-hour 32-minute excursion at 7:23 a.m. EST (GMT-5), leaving the Quest airlock and making their way to the right side of the station’s main solar power truss. More

(Source: SpaceFlight now - Jan 7)