What Is A Blue Moon?
Although the full moon that occurred in the western hemisphere on Thursday, May 31, 2007, looked like an ordinary full moon, it was actually a bit extraordinary—it was a blue moon. What is a...
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Although the full moon that occurred in the western hemisphere on Thursday, May 31, 2007, looked like an ordinary full moon, it was actually a bit extraordinary—it was a blue moon. What is a...