* Astronomy

Prehistoric Meteorite 'Shrines' in Arizona May Be Linked, Says Archaeo-Astronomer

Two twelfth-century settlements a hundred kilometres apart in Arizona were apparently built by discrete cultures, but they have at least one trait in common: In each complex is a hidden, hollow compartment that once held large chunks of alien iron - fragments of a 50,000-year-old meteorite.
While it's not clear what, if any, interaction there was between the two communities, the existence of these twin meteorite "shrines" is a connection worth investigating, says Ken Zoll.
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