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

The Dave Matthews Band has played dozens of concerts at the Gorge since 1997, but Friday's show was a once-in-a-blue-moon event. Gazing up at the second full moon of the month as it rose above the hill behind the amphitheater on a clear, balmy night,On Friday, Aug. 31, skywatchers will be treated to a Blue Moon. Does this mean the Moon will actually look blue? Unfortunately, no. To understand the celestial event — and the story behind the name — we've prepared a briefThere is a

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