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Why is it significant that Cahokia's Woodhenge mark the sun's winter and summer solstices?

User Pym
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Final answer:

Cahokia's Woodhenge is historically significant for its function as a rudimentary astronomical calendar, marking the sun's solstices to aid in agricultural, religious, and social planning, reflecting advanced knowledge and the importance of archaeoastronomy in prehistoric societies.

Step-by-step explanation:

Significance of Cahokia's Woodhenge

The Woodhenge at Cahokia is significant due to its role in marking the sun’s winter and summer solstices, which would have greatly influenced agricultural practices and religious ceremonies. This astronomic calendar allowed the agrarian society of Cahokia to effectively plan for the growing season and harvest. The alignment with celestial events also suggests a deep understanding of archaeoastronomy, which was common among prehistoric cultures for scheduling important activities and likely held spiritual meaning. Within the walled complex of Cahokia, which was a large urban settlement, the effort to construct large earth mounds and the Woodhenge demonstrates the advanced level of organization and the cultural importance of astronomical observations in this Mississippian culture.

Similar to other prehistoric sites like Stonehenge and Chaco Canyon, Cahokia's Woodhenge served as a lunar and solar observatory. It helped to regulate not only farming activities but also religious and possibly political events, placing social and cosmological importance on these structures. During special events such as the summer solstice, early cultures celebrated and planned based on these astronomical indications.

User Bruno Borges
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