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What do snowflakes really look like? (Photos)

The more rounded structures in these snowflakes are caused by riming, which is when thousands of tiny droplets in clouds coat a snowflake to create a pellet known as graupel.

riming

The more rounded structures in these snowflakes are caused by riming, which is when thousands of tiny droplets in clouds coat a snowflake to create a pellet known as graupel.

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