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NASA Astronauts Take Nearly 7-Hour Spacewalk Outside International Space Station NASA astronauts Mike Hopkins and Victor Glover took a space walk Saturday outside the International Space Station to upgrade the lab s communications and cooling systems. The walk, which took place about 250 miles above earth, lasted nearly seven hours. Struggling with balky electrical connectors, Hopkins managed to plug in and secure three of four thick power and data cables needed by a European experiment platform during a challenging spacewalk, leaving one cable for additional troubleshooting.  Hopkins and crewmate Victor Glover also vented residual ammonia coolant from two jumpers used to service the station s thermal control system, stowing the hoses in different locations for future use if needed. One jumper spewed more ammonia ice crystals than expected when it was vented to space, but the astronauts said their suits did not appear to be contaminated with any flakes that could be brought back

Victor gloverMike hopkinsChris edelenAndreas mogensenUniversity of illinoisEuropean space agency columbusInternational space stationEuropean space agencyEuropean columbusவெற்றியாளர் குளோவர்மைக் ஹாப்கின்ஸ்கிறிஸ் ஏதேலென்ஆண்ட்ரியாஸ் மோகேஞ்சென்பல்கலைக்கழகம் ஆஃப் இல்லினாய்ஸ்சர்வதேச இடம் நிலையம்ஐரோப்பிய கொலம்பஸ்