Cosmonauts lose object during spacewalk

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Russian cosmonauts have lost an unidentified piece of kit during a spacewalk outside the International Space Station.

Dmitry Kondratyev and Oleg Skripochka were working outside the station for roughly six hours, installing equipment designed to sense earthquakes and lightning.

They also retrieved two panels made of various materials, left outside the station to determine which are best for construction in space.

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