Canadian astronaut Bob Thirsk
![](/images/recherche//tiles/d5ac7a28-3b10-4918-bec4-8219811bee88.jpg)
Canadian astronaut Bob Thirsk exercising on the advanced Resistive Exercise Device (aRED) on board the Unity node of the International Space Station. (Credit: NASA)
File size: 0.66 MB
Image size: 1200 x 797 pixels
Resolution: 300 dpi
Photo taken on June 11, 2009
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