Topics » Science & Technology   Dec. 21, 2011

The Science of Snow Crystals

Giant snowflakes

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Giant snowflakes

Snowflakes can grow as large as small coins, but will ultimately break if they get too big. "The largest one I've ever seen was about the size of a dime," Libbrecht said. "That's a really big snow crystal. They don't get much bigger than that because they are so fragile that they break on their way down."

Photo Essay

Photo Essay