\Flowers\" of hoar-frost on a window pane. When the atmosphere is full of frosty fog the water vapour in the air will crystallize out on the slightest
\Flowers\" of hoar-frost on a window pane. When the atmosphere is full of frosty fog the water vapour in the air will crystallize out on the slightest rough surface; in this case the scratches on the glass surface. The crystals formed have hexagonal symmetry owing to the fixed shape of the water molecule. The latter comprises 2 hydrogen atoms making an angle of 105 degrees with 1 oxygen atom. The molecules can acheive a stable crystal only when in an hexagonal arrangement."
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Photo credit: © CLAUDE NURIDSANY & MARIE PERENNOU/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: christmas, climate, cold, fros, frost, frozen, hoar, meteorology, pane, weather, window, winter, xmas
