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Science, Maintenance, Spacewalk Preparations for Station Crew

Published by Klaus Schmidt on Sat Nov 6, 2010 10:36 am via: NASA
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Expedition 25 Commander Doug Wheelock and Flight Engineers Shannon Walker and Scott Kelly worked with the Sleep-Wake Actigraphy and Light Exposure during Spaceflight, or SLEEP, experiment Friday. SLEEP examines the effects of space flight and ambient light exposure on the sleep-wake cycles of the crew members during their stays on the International Space Station.

Mission Control informed the station crew that shuttle managers had scrubbed Discovery’s launch attempt for Friday due to a hydrogen leak. That means the next launch attempt for Discovery on Nov. 30 would be just six hours before the Soyuz 23/Expedition 25 landing at 10:09 p.m. EST Nov. 29. Discovery will deliver the Permanent Multipurpose Module and Robonaut 2.

Flight Engineers Fyodor Yurchikhin and Oleg Skripochka prepared the Pirs docking compartment and the Zvezda service module’s transfer compartment for an upcoming spacewalk by moving out science payloads and transferring them to the Poisk module for temporary stowage. Although the tasks for the Nov. 15 spacewalk are still being finalized, they also could include relocation of a television camera on the Rassvet module.

Flight Engineer Alexander Kaleri replaced a failed cable on the Rusalka experiment, which is a test of procedures for remote determination of methane and carbon dioxide content in the Earth’s atmosphere.

The launch of space shuttle STS-133 by nov.30 at 4:30a.m EST.the launch will occur only when EXPEDITION-25 schuttle will land on 25th at 10:09p.m.The six member crew will perform space walk for forthcoming space exploration.
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