Blue Moon: Blue moon: one small mistake, giant folklore for the sky

Friday Aug. 31 will mark the second full moon in the month, a phenomenon which only happens seven times every 19 years.There is a full moon tonight, the second this month. About every 18 months you get two full moons inside the same calendar month. That's called a “Blue Moon” even though the moon isn't actually blue.Blue moon rising. Here's a shot of the blue moon we had last night. For those unfamiliar with the term, you can read more about it here. Being that it's the

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