Condensation on the dewar
Date: 20 April 2009
Satellite: Herschel
Depicts: Top of dewar with valves and connection points
Location: Cleanroom of S5B building, CSG, Kourou, French Guiana
Copyright: ESA-CNES-Arianespace / Optique Vidéo du CSG - P. Baudon
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Evaporating helium from the filling process causes the humidity in the air to condense on elements of the dewar.
Last Update: 1 September 2019