Japan Aerospace Exploration Agency astronaut Koichi Wakata, Expedition 38 flight engineer, conducting a session with a pair of bowling-ball-sized free-flying satellites known as Synchronized Position Hold, Engage, Reorient, Experimental Satellites (SPHERES) aboard the International Space Station. (NASA)
NASA astronaut Mike Fossum puts one of the Smart SPHERES through its paces during Expedition 29 aboard the International Space Station. The addition of the smartphone helped turn the SPHERES into mobile data acquisition assistants.
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