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Science and Spacewalk Preparations for Station Crew

Published by Matt on Wed Jul 14, 2010 1:30 pm via: NASA
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Science and spacewalk preparations remained the focus for the Expedition 24 crew Tuesday aboard the International Space Station as it orbits 220 miles above the Earth.Flight Engineer Doug Wheelock assisted Flight Engineer Shannon Walker with an ongoing investigation of the atrophy of the heart muscle that appears to develop during long-term spaceflight. Results from this investigation will help ensure crew health on future long-duration exploration missions and assist in the development of any needed countermeasures to mitigate the effects of spaceflight on the cardiovascular system.

NASA astronaut Tracy Caldwell Dyson, Expedition 24 flight engineer, uses a vacuum cleaner during housekeeping operations in the Kibo laboratory of the International Space Station. Credit: NASA

NASA astronaut Tracy Caldwell Dyson, Expedition 24 flight engineer, uses a vacuum cleaner during housekeeping operations in the Kibo laboratory of the International Space Station. Credit: NASA

Meanwhile, cosmonauts Fyodor Yurchikhin and Mikhail Kornienko, both flight engineers, spent much of their morning gathering tools they will use during a six-hour spacewalk scheduled to begin the evening of July 26. The spacewalkers will outfit the new Rassvet module with a Kurs automated rendezvous capability for future Russian spacecraft docking at that port.

Later, Yurchikhin worked with the Uragan experiment, which seeks to document and predict the development of natural and man-made disasters on Earth. Building upon a sequence of visual observations that began aboard the Mir space station, Uragan may provide researchers and cosmonauts the opportunity to notify authorities about impending catastrophes.

Working in the Russian segment of the station, Commander Alexander Skvortsov replaced dust filters and continued unpacking cargo from the ISS Progress 38 cargo ship that docked July 4. Skvortsov also assisted Kornienko with a study of the effects of stress on the ability of cosmonauts to perform manual spacecraft control tasks during long-duration spaceflight.

Flight Engineer Tracy Caldwell Dyson performed troubleshooting on the video management unit of the Fluids Science Laboratory, checking connections on the unit and photographing the configuration for further study by specialists back on Earth.

Caldwell Dyson also assisted Walker with the latest session of Kids In Micro-Gravity!, an experiment that gives students a hands-on opportunity to design a demonstration that can be performed both in the classroom and aboard the station. Tuesday’s activity, a study of liquids in microgravity, was developed by eighth grade students at the Virginia Academy in Ashburn, Va.

Researchers can learn more about opportunities to develop and fly science experiments on the International Space Station (ISS) at the NASA ISS Research Academy Aug. 3-5 in League City, Texas.

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