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Helium supply cylinder
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- Title Helium supply cylinder
- Released 05/05/2009 10:13 am
- Copyright ESA/CNES/ARIANESPACE - Photo Optique Video CSG, P Baudon, 2009
- Description
Helium supply cylinder. Engineers began to fill the Herschel cryostat with liquid helium at –270°C on 12 April. By 25 April the cryostat was at a cool –271.3°C.
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