Canadian Space Agency astronaut Bob Thirsk
![](/images/recherche//tiles/01bc093b-0f39-4f4b-be4f-4ef5e503a07d.jpg)
Canadian Space Agency astronaut Bob Thirsk participates in a space shuttle tile survey photo training session in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center. (Credit: NASA)
File size: 1.16 MB
Image size: 4256 x 2832 pixels
Resolution: 300 dpi
Photo taken on March 6, 2009
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