Look Out for A Blue Moon Friday

Look to the sky Friday to see a "blue moon" — but don't expect to see the color blue.

A blue moon refers to the rarity of multiple full moons in a month or season. will be the second in August. The first took place on Aug. 1. 

Two blue moons in a month typically occurs every 2.7 years, according to the Huffington Post. 

The last blue moon was on Dec. 31, 2009, and the next won't occur until 2015.

Best time to see the Blue Moon: The moon will be at its fullest at 8:58 a.m. CST, according to the Farmers' Almanac. 

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