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Science Experiments and Maintenance Duties for Station Crew

Published by Klaus Schmidt on Tue Oct 16, 2012 5:00 am via: NASA
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The Expedition 33 crew members living and working aboard the International Space Station performed a variety of science experiments and worked to maintain the systems aboard the orbiting laboratory Monday.

Commander Suni Williams worked with the Micro-6 experiment, which studies how microgravity affects the health risk posed by the opportunistic yeast Candida albicans.

Williams also performed maintenance on the Water Processor Assembly in the Destiny laboratory, removing and replacing a pump and rotating the rack back into its stowed position.

Williams was later assisted by Flight Engineer Aki Hoshide to transfer samples from the Minus Eighty Degree Laboratory Freezer for ISS, or MELFI-1, to the EXPRESS Rack 6 Glacier freezer.

Hoshide powered down and removed the Glacier freezer from the docked SpaceX Dragon cargo craft for stowage aboard the station.

The EXPRESS Rack 6 Glacier freezer, filled with experiment samples, will be returned to Earth aboard Dragon when the capsule makes its parachute-assisted splashdown Oct. 28 in the Pacific Ocean, 250 miles off the southern California coast.

The SpaceX Dragon cargo craft was grappled and berthed to the Earth-facing side of the Harmony module on Oct. 10, delivering 882 pounds of supplies, hardware and science experiments to the orbiting laboratory.

Hoshide also performed maintenance on spacesuits and spacewalking equipment in the Quest airlock, recharging batteries and configuring tethers to prepare for a possible upcoming spacewalk.

Flight Engineer Yuri Malenchenko worked in the Russian segment of the station, monitoring its systems and performing a variety of housekeeping and maintenance duties.

He also worked with an experiment known as Relaxation, which examines chemical luminescent reactions from jet engine exhaust in the Earth’s atmosphere.

Meanwhile, three additional Expedition 33 flight engineers continue launch preparations at the Baikonur Cosmodrome in Kazakhstan. NASA astronaut Kevin Ford, and Russian cosmonauts Oleg Novitskiy and Evgeny Tarelkin, are set to launch aboard their Soyuz TMA-06M spacecraft on Oct. 23 for a five-month mission on the station.

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