A rare Blue Blood Moon rises on Halloween. Here's what that means.
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It's a rare treat: Full-moon Halloweens only happen every 18 or 19 years, according to The Old Farmer's Almanac.
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It's a rare treat: Full-moon Halloweens only happen every 18 or 19 years, according to The Old Farmer's Almanac.
Full ArticleA full moon at Halloween is a rare event but this year it is a blue moon which is even more unusual.
Our last Halloween full moon took place back in 2001 and our next will be in 2039