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Aboard the International Space Station, astronaut Chris Hadfield unveils the new polymer $5 bill, which showcases ISS robots Canadarm2 and Dextre.
Canadian robot Dextre completes a test on the ISS to refuel a mock satellite, a step toward reducing space junk.
Dextre, the Canadian-built robot on the International Space Station, completes the first stages of practicing refueling with a dummy satellite, a job that could help reduce the orbiting junk pile above our planet.
This story initially misidentified which robot was built by the Canadian Space Agency. The Canadian agency built the Dextre robot already in use on the space station.