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Peruvian citadel is site of earliest ancient solar observatory in the Americas

Archeologists from Yale and the University of Leicester have identified an ancient solar observatory at Chankillo, Peru, as the oldest in the Americas with alignments covering the entire solar year, according to an article in the March 2 issue of Science.

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Keywords: peruvian, citadel, site, earliest, ancient, solar, observatory, americas, america

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