Traditions of the Sun: Explore the World's Ancient Observatories NASA
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Traditions of the Sun Book Cover

Traditions of the Sun: The Sun-Earth Connection at Chaco Culture National Historical Park
An educational children’s book that explores ancient solar practices and modern scientific research within the historical and cultural context of Chaco Canyon.

Developed for 4th-6th grade students, the book matches California science education standards. The book was developed by NASA’s Sun-Earth Connection Education Forum and Ideum with assistance from the dedicated staff at Chaco Culture National Historical Park.

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Traditions of the Sun: Yucatan Book Cover

Traditions of the Sun: A Photographic Journey to the Yucatan

Like modern scientists, the ancient Maya were careful observers. They accurately recorded the motion of the Sun, planets, and the Moon. These observations were used to create a complex calendar to organize the events of their world. Learn more about the ancient and modern Maya.

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