James Webb Space Telescope - The Fine Guidance Sensor
![](/images/recherche//tiles/035d7c80-7fd2-4535-80a8-b9f1478c7cd9.jpg)
A technician prepares the Canadian-built Fine Guidance Sensor's engineering test unit for cryogenic testing at the CSA's David Florida Lab in Ottawa. (Credit: Canadian Space Agency)
File size: 0.49 MB
Image size: 1200 x 900 pixels
Resolution: 300 dpi
Photo taken on March 27, 2009
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