United States Naval Observatory

January 30, 2018 | Mitti Hicks

What Does a Super Blue Blood Moon Even Mean?

Skywatchers are in for a rare occurrence. After 166 years, a lunar event called a “Super Blue Blood Moon,” will take place early Wednesday morning. But what does that even mean? According to Geoff Chester, public affairs officer at the United States Naval Observatory, a blue moon is the second full moon in a calendar […]

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