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Short Circuit Degrades Space Station Power, Repair May Need Spacewalk

Short Circuit Degrades Space Station Power, Repair May Need Spacewalk - A short circuit on the International Space Station has disrupted the orbiting facility's power and a spacewalk may be required for repairs, NASA says.

One of the eight channels to power the station got disordered when a short circuit caused a switching device to trip, forcing astronauts aboard the ISS to switch affected systems to substitute channels, the space agency reported.

A similar incident in 2014 also necessitated spacewalk to carry out repairs, said NASA spokesman Dan Huot, who underlined that the six members of the crew are in no danger despite the degraded power system.

Before a spacewalk is carried out, a necessary spare part will have to be delivered to the ISS from Earth aboard a supply rocket, they said.

The first opportunity would be a SpaceX delivery mission set for some time in the early 2016, they said. Another commercial supplier, Orbital ATK, is likely to launch a cargo shipment in 2 weeks, but the cargo capsule for that mission has already been fully filled for the flight.

Meanwhile, the members of the ISS expedition crew observed silence for a minute to honor the victims of the recent terrorists' attacks in Paris.