Vibrant star trails over Chaco Canyon. Courtesy photo

PEEC NEWS RELEASE

Discover how the Ancestral Puebloans incorporated the cycles of the Sun and Moon into the architecture of Chaco Canyon during the Getting Oriented with Chaco Canyon planetarium program at the Los Alamos Nature Center on Thursday, November 14 from 7 to 8 PM.

This immersive, full-dome planetarium experience allows participants to observe the Sun’s annual rising and setting patterns, the Moon’s monthly horizon cycles, and the Moon’s subtle 18.6-year horizon cycle. You’ll see firsthand how these astronomical phenomena were woven into the orientation, internal geometries, and relationships among the Chacoan buildings, offering a unique window into the advanced astronomical knowledge of the Ancestral Puebloans (circa AD 900–1150).

Participants will gain insight into ancient astronomy and architecture, preparing them for future visits to Chaco Canyon with a deeper understanding of its cultural and scientific significance.

Event Details:
● What: Getting Oriented with Chaco Canyon
● When: Thursday, November 14, 2025 | 7 to 8 PM (doors open at 6:45 PM)
● Where: Los Alamos Nature Center, 2600 Canyon Road
● Admission: $8/adult, $6/child, $20/family
● Note: Planetarium events are generally not recommended for children under 5.

For more information, visit PEEC’s website at peecnature.org/events. Stay connected
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