From the Johnson Space Center in Houston, officials from NASA brief reporters on two upcoming spacewalks outside the International Space Station to replace aging batteries in the outpost’s power grid.
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Japanese cargo craft departs space station
Japan’s sixth HTV supply ship departed the International Space Station on Friday and headed for a destructive re-entry over the South Pacific with trash and disused batteries from the research lab, but engineers will first use the spacecraft for a pioneering experiment to investigate a new way to remove space junk from orbit.

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