Canadian Space Agency Astronaut Bob Thirsk
![](/images/recherche//tiles/eedc44bf-5971-4d50-a7cf-07662038d3ec.jpg)
2009-08-21 - Canadian Space Agency Astronaut Bob Thirsk performs in-flight maintenance on the Oxygen Generator System rack in the Destiny laboratory of the International Space Station. (Credit: NASA)
File size: 1.97 MB
Image size: 4288 x 2828 pixels
Resolution: 300 dpi
Photo taken on August 21, 2009
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