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Nasa astronauts have completed their repair work on the International Space Station successfully. At seven and a half hours of continuous outdoor use they put a new ammonia pump
In Time For Christmas, the International Space Station has received a major new cooling pump. U.S. astronaut Mike Hopkins and Rick Mastracchio up for it on Tuesday for more than seven hours into space from, 60 minutes longer than originally planned.
It was only the second outdoor use on Christmas Eve in the history of NASA. “Merry Christmas, thank you guys,” it said in the bottom center, as the duo floated back into the airlock.
failure due to defective valve
The pump should be over on Tuesday night (CET) fully tested. If everything works as planned, it is the Nasa According to then gradually put into operation. But tests indicated then even during the stay of astronauts in space on Tuesday that about refrigerator-sized device “healthy” is.
The old pump was on 11 December has been canceled due to a defective valve and removed on Saturday from Hopkins and Mastracchio.
Last astronauts had worked on Christmas Eve in space 14 years ago. At the time it came to repairs to the Hubble telescope.
energy consumption had to be cut
The Pneumatic beating of the pump was initially scheduled for Monday. But after the work on Saturday there was when returning to the ISS problems with Mastracchios space suit, a new suit had to be adapted to him.
The new pump, together with another on an ammonia cycle at the ISS exterior that the equipment for the space station remains cool. After the failure at 11 December had the energy consumption in the Russian part of the station are slashed to mitzuversorgen the U.S. module. In Japan and in the European part of the ISS half of the systems was turned off.
Astronaut Tip
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