Helmet Issue Hampers NASA’s 2nd All-Woman Spacewalk

The helmet trouble put the spacewalkers behind in their work to replace old batteries outside the space station.

NASA is in the midst of replacing decades-old nickel-hydrogen batteries outside the sprawling space station with more powerful, longer-lasting lithium-ion batteries. The batteries are part of the station’s solar power network, keeping everything running when the outpost is on the night side of Earth.

Koch also went out with a male colleague twice last October to install three new batteries. But a charging unit then failed, prompting the need for unexpected repairs by Koch and Meir. Meanwhile, the rest of the critical battery installations were put on hold while engineers figured out why the charger failed so soon after new batteries went in.Engineers now believe the charger got too cold in the extreme temperatures of space.

Mission Control expects Meir and Koch to replace three more of the old batteries, with the operation wrapping up during a third all-female spacewalk on Monday. That would make a total of five spacewalks for this latest series of battery work. Koch is just three weeks away from ending an 11-month space mission, the longest ever by a woman. She’s been living 400 kilometres above Earth since last March. Meir arrived at the space station in September.

Remember Sally Ride.... Poof.....

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