NASA / SCIENCE PHOTO LIBRARY NASA / SCIENCE PHOTO LIBRARY
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Alexander Gerst, ESA astronaut, on the ISS. Astronaut photograph of European Space Agency (ESA) astronaut Alexander Gerst (born 1976), Expedition 40 flight engineer, preparing the International Space Station's Kibo laboratory for a series of NanoRacks CubeSat miniature satellite deployments. Here, he is depressurising the Kibo airlock. Photographed on 18th August 2014.
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