The Number of the Day: 54,000°

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Lightning can reach temperatures of around 54,000°F.

Related Link: For the past two weeks, we've been pulling Numbers of the Day from the beautiful and fascinating National Geographic Answer Book, which hit stores last Tuesday. You can order your copy from the National Geographic Store. Come back tomorrow for a chance to win a copy!

[See previous Numbers of the Day here.]

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September 29, 2010 - 11:12pm
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