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Last updated on May 25, 2013 at 1:20 EDT
Planck qualification model
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Planck qualification model

May 26, 2009
Planck Qualification Model showing the payload module with its three circular radiators, the light baffle and the focal plane assembly in the centre.

The image was taken during a test campaign in the thermal vacuum chamber at the Centre Spatial de Liège (CSL), Belgium.