American Astronauts complete Christmas Eve second spacewalk to repair cooling system

Space station astronauts took a new pump harmful ammonia as a "mini-storm" braving a rare Christmas Eve during a spacewalk Tuesday was a crippled cooling system repaired.

This American astronaut Rick Mastracchio and Michael Hopkins spacewalk was the second in four days, and only the second ever spacewalk Christmas Eve.

NASA International Space Station spacewalks to revive a critical cooling loop so ordered. When it conked off all unnecessary equipment lines Dec. 11 , and had kept many science experiments .

With the success of Tuesday , according to NASA cooling system , and all equipment restored by this weekend and should be working .

7 ½ -hour spacewalk ended as " the best Christmas ever ," Mission Control radioed .

" Merry Christmas everyone," replied Hopkins . " It took a few weeks to get it done , but we've had. "

Mastracchio and Hopkins during Saturday's spacewalk faulty ammonia pump was removed. On Tuesday, they installed a fresh pump .

The station 's main robot arm end , standing at Hopkins she installation point headed with both hands, 780 -pound , refrigerator size pump clutch and then an astronaut while working in contains slid , Japan's Koichi Wakata , cautiously steered arm and his precious cargo .

Bu Haber için yorum yapabilirsiniz 04.04.2014 20:29:20 204.236.235.245

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