Heavens offer unique clues to the seasons

Before the advent of calendars, the only way to mark the changing of the seasons was through direct observation. Ancient peoples observed the passage of the sun north from the Winter Solstice, and then south from the Summer Solstice. In Mesoamerica the people observed the sun passing directly overhead twice a year by using special tubes in the temples that pointed at the zenith.

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Ancient Earthworks Electronically Rebuilt, To Become A Traveling Exhibit

Native American cultures that once flourished in Ohio, Kentucky, Indiana and West Virginia constructed geometric and animal-shaped earth works that often rivaled Stonehenge in their astronomical accuracy. This lost heritage from the Adena, Hopewell and Fort Ancient cultures is returning in the form of a traveling exhibit that will include virtual reconstructions of earthworks from 39 sites.

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