Two American astronauts successfully replaced ageing batteries on ISS

Last Updated: March 25, 2019

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Two American astronauts successfully replaced ageing batteries on ISS
25 March 2019 Current Affairs:

NASA’s Anne McClain and Nick Hague took a spacewalk on 22nd March to replace ageing batteries on the International Space Station. Two American astronauts worked for several hours to swap three nickel-hydrogen batteries with more powerful lithium-ion ones. 
The duo overcame minor struggles in their first task, which involved attaching a tool bag on one of the station’s trusses for possible future use. The space station uses solar panels to generate power but the batteries are used when it is in the dark and not getting power from the sun.

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