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SaulsAll t1_j78ok43 wrote

Reply to comment by pozoph in How does water work in a closed container in space? by UnhappyLibrary2540

Superhot ice sounds pretty cool. How does water form a solid if there is no room to expand into the crystalline structure?

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pozoph t1_j78q9sl wrote

With pressure it would form ice VII as shown in the diagram you posted, that expand less than the ice we know from everyday. The elasticity of both liquid and solid water would set pressure at a fixed volume, exactly for the same reason the pressure would increase when heating.

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