Astronaut Rick Sturckow, STS-128 commander, gives a "thumbs-up" signal while exercising on a bicycle ergometer on the middeck of the Earth-orbiting Space Shuttle Discovery. Astronaut Nicole Stott, mission specialist, is visible at right. Photo taken August 29, 2009. Courtesy of NASA Search “✇유유닷컴✇청주풀싸롱+유유닷컴+☞nugu8282.cOm청주오피♤청주스파✥청주립카페ぴ청주마사지お청주안마✵청주건마” from Space Living: Astro Home

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Astronaut Rick Sturckow, STS-128 commander, gives a "thumbs-up" signal while exercising on a bicycle ergometer on the middeck of the Earth-orbiting Space Shuttle Discovery. Astronaut Nicole Stott, mission specialist, is visible at right. Photo taken August 29, 2009.

Courtesy of NASA