A leaking ammonia line halted attempts to repair a cooling system on the International Space Station (pictured above). A faulty ammonia line fitting delayed repairs to a cooling pump on the International Space Station Saturday during an eight-hour spacewalk . During the spacewalk, astronauts Doug Wheelock and Tracy Caldwell Dyson were to repair a faulty cooling system, which failed on July 31. The faulty cooling unit was to be swapped with a new one that was previously in storage to solve the problem; however, an ammonia leak in the final line to be disconnected from the unit halted attempts for a repair. Upon completing the spacewalk, Wheelock and Dyson spent additional time in the airlock to get rid of any ammonia particles that may have attached themselves to their spacesuits . The eight-hour spacewalk is reportedly the longest ISS-based spacewalk, and the sixth longest in the history of human spaceflight .
A leaking ammonia line halted attempts to repair a cooling system on the International Space Station (pictured above). A faulty line fitting delayed repairs to a cooling pump on the International Space Station Saturday during an eight-hour . During the spacewalk, and were to repair a faulty cooling system, which failed on July 31. The faulty cooling unit was to be swapped with a new one that was previously in storage to solve the problem; however, an ammonia leak in the final line to be disconnected from the unit halted attempts for a repair. Upon completing the spacewalk, Wheelock and Dyson spent additional time in the to get rid of any ammonia particles that may have attached themselves to their . The eight-hour spacewalk is reportedly the longest ISS-based spacewalk, and the sixth longest in the history of .
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ammonia
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astronauts Doug Wheelock and Tracy Caldwell Dyson
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airlock
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spacesuits
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human spaceflight