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Space Freezing WISE's Hydrogen

Discussion in 'Tech, Science, and Space' started by Robby, Dec 11, 2009.

  1. Robby

    Robby The Robot

    Jul 28, 2004
    NASA Picture Of The Day
    Freezing WISE's Hydrogen


    A scaffolding structure built around NASA's Wide-field Infrared Survey Explorer, or WISE, allows engineers to freeze its hydrogen coolant. The WISE infrared instrument is kept extremely cold by a bottle-like tank filled with frozen hydrogen, called the cryostat. The cryostat can be seen at the top of the spacecraft. Image Credit: NASA/JPL-Caltech/Space Dynamics Lab (More at NASA Picture Of The Day)

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