Liquid hydrogen
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Liquid hydrogen is the liquid state of the element hydrogen. Hydrogen is found naturally in the molecular H2 form.
Liquid hydrogen bubblechamber
A large hydrogen tank in a vacuum chamber at the Glenn Research Center in Brook Park, Ohio, in 1967
A Linde AG tank for liquid hydrogen at the Museum Autovision in Altlußheim, Germany, in 2008
Solid hydrogen
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Solid hydrogen is the solid state of the element hydrogen. At standard pressure, this is achieved by decreasing the temperature below hydrogen's melting point of 14.01 K. It was collected for the firs
Liquid hydrogen
…Slush hydrogen Solid hydrogen Metallic hydrogen…
The infrared instrument on NASA's Wide-field Infrared Survey Explorer is kept extremely cold by a spherical tank of frozen hydrogen called the cryostat. During assembly, scaffolding was built around the cryostat to give engineers full access to the spacecraft.