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Canadian Space Agency Astronaut Chris Hadfield
Posted on Tuesday, February 19, 2013
Uploaded by
Waspie_Dwarf
Image credit: NASA
Uploader comment: ISS034-E-034506 (25 January 2013) --- Canadian Space Agency astronaut Chris Hadfield, Expedition 34 flight engineer, holds bubble detectors for the RaDI-N experiment in the International Space Station's Kibo laboratory. RaDI-N measures neutron radiation levels onboard the space station.
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