The major lunar event that occurs every 18.6 years to be marked at ancient Calanais Standing Stones
An extraordinary celestial phenomenon that occurs every 18.6 years is due to be witnessed this summer at Calanais Standing ...
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A Rare Lunar Event Could Reveal Stonehenge's Secrets
It's long seemed like Stonehenge harbors many secrets, and it's not keen on giving them up. But a rare lunar event might finally give us some answers.