Ice and Snow

We returned to average Alaska temperatures finally. The snow is crusty and hard and slick but awfully pretty up close.

Ice and Snow

Ice and Snow

Ice and Snow

Ice and Snow

I love the patterns that snow crystals take. They are intricate, symmetrical and each one unique. How does that happen? It is not magic, there is a reasonable scientific expiation, laid out perfectly in the diagram below (courtesy of Caltech: http://www.its.caltech.edu/~atomic/snowcrystals/faqs/faqs.htm)

How snow crystals form

How snow crystals form

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