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Shuttle Launch Postponed Until Wednesday

Published by Klaus Schmidt on Tue Aug 25, 2009 10:00 am via: source
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(NASA) – Discovery’s launch attempt has been scrubbed due to poor weather conditions. The next launch attempt is scheduled for Wednesday at 1:10 a.m. EDT.

The International Space Station’s Expedition 20 crew spent Monday working on its regular science and maintenance activities and preparing for the shuttle’s arrival.

Mount Hood, Oregon is featured in this image photographed by an Expedition 20 crew member on the International Space Station. Credit: NASA

Mount Hood, Oregon is featured in this image photographed by an Expedition 20 crew member on the International Space Station. Credit: NASA

Commander Gennady Padalka and Flight Engineer Roman Romanenko performed some regular maintenance activities in the station’s Russian segment. Padalka cleaned fan screens in the docking compartment, and Romanenko did some work on the segment’s life support system.

Flight Engineer Mike Barratt worked on the Lab-on-a-Chip Application Development-Portable Test System (LOCAD-PTS) experiment. LOCAD uses small cartridges and a handheld device to detect the presence of bacteria. Later, Barratt did some maintenance work on spacesuit water tanks. He also participated in an amateur radio session with students at Tenison Woods College in Mount Gambier, South Australia.

Another amateur radio session took place later when Flight Engineer Frank De Winne spoke with visitors at the Volkssterrenwacht Urania public observatory in Antwerp, Belgium.

Flight Engineer Bob Thirsk worked on the Education Payload Operations, or EPO, which includes curriculum-based educational activities that demonstrate basic principles of science, mathematics, technology, engineering and geography. These activities are videotaped and then used in classroom lectures. EPO is designed to support the NASA mission to inspire the next generation of explorers.

At various locations aboard the station, Flight Engineer Tim Kopra installed Radiation Area Monitors (RAM). The RAMs are encased in a material that responds to radiation and are used to measure radiation levels aboard the orbital outpost. The monitors are swapped out during space shuttle missions, and the data they collect are stored and analyzed on Earth. In addition, Kopra spent some time getting ready for his departure from the station aboard space shuttle Discovery during the STS-128 mission.

Discovery is carrying more than seven tons of supplies, science racks and equipment, as well as additional environmental hardware to sustain six crew members on the orbital outpost. The shuttle also will deliver the newest Expedition crew member, astronaut Nicole Stott, for a three-month stay aboard the station.

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