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Two snowflakes that look very much alike!
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Nancy Knight/NCAR

Can Two Snowflakes Look Alike?

Even though most snowflakes have a hexagonal structure, there are many ways that water molecules can arrange themselves as the water freezes.

Some people say that there are no two snowflakes alike. However, snowflakes can look alike. Scientist Nancy Knight from the National Center for Atmospheric Research found the two simple snowflakes pictured at the left. They look pretty much identical, don't you think?

Last modified January 29, 2007 by Lisa Gardiner.

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