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Space-walking astronauts are replacing old space station batteries as part of a year-long upgrade

Two NASA space walkers replaced important solar array batteries International space station Thursday (July 16), the extensive replacement work required to power the orbital laboratory by at least 2024 is almost complete. NASA astronauts Chris Cassidy and Bob Behnken They zoomed through their tasks and removed six aging nickel-hydrogen batteries on the starboard S6 truss of the ISS. The duo …

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