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ISS astronauts repair solar array during 7-hr spacewalk
Washington (AFP) Jan 30, 2008 Two astronauts aboard the orbiting International Space Station on Wednesday replaced an electric motor on one of three solar wings that provide power to the station during a seven-hour-long spacewalk, NASA said. The 90.8-kilogram (200-pound) Bearing Motor Roll Ring Module (BMRRM), called the "broom," drives the starboard solar wings as they tilt along their axis to follow the sun for optimal power generation. It broke down on December 8. Commander Peggy Whitson and Flight Engineer Dan Tani spent from 0956 GMT to 1700 GMT on the repair, mostly during night part of the orbit when less dangerous voltage is generated by the solar wings than when they are exposed to the sun. The ISS's three solar wings have to be fully operational to allow construction work on the station to continue. In February, the shuttle Atlantis is scheduled to deliver the European Columbus laboratory to the ISS, followed by another shuttle mission in mid-March to deliver the Kibo Japanese laboratory. Whitson and Tani also inspected the Solar Alpha Rotary Joint of another ISS solar wing that showed indications of debris-caused friction inside its mechanism. The joint rotates the solar wing to keep it pointed toward the sun. The National Aeronautics and Space Administration aims to complete the construction of the orbiting station, planned as a jumping-off point for deeper space exploration, by September 30, 2010, when it is due to take its three space shuttles out of service. It is planning a dozen more shuttle missions to complete the ISS and to repair the orbiting Hubble Space Telescope. Related Links Station at NASA Station and More at Roscosmos S.P. Korolev RSC Energia Watch NASA TV via Space.TV Space Station News at Space-Travel.Com
Crew Oxygen For ISS Loaded On Jules Verne
Paris, France (ESA) Jan 29, 2008Three weeks into delicate fuelling operations, Jules Verne Automated Transfer Vehicle has also been successfully loaded with oxygen. In orbit this will be transferred to the International Space Station's atmosphere for the crew to breathe. The maiden voyage of the first European International Space Station (ISS) resupply spaceship is targeted for no earlier than 22 February. |
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