The Solstice Project studies the rich astronomical heritage of the ancient Chaco culture in the American Southwest. Founded in 1978 by Anna Sofaer, our non-profit organization publishes research and produces award-winning films that document the Chaco culture’s scientific achievements.
See December 2021 Annual Letter
| READ THE LETTER |
Watch Anna Sofaer in “The Vast Expanse of Chaco Culture” on ¡COLORES! Jan 15th at 4pm MST
| WATCH NOW |
| READ MORE |
Brian Vallo, Governor of Acoma Pueblo, took critical steps to protect Chaco Canyon.
Chaco Astronomy
Book by Anna Sofaer of Solstice Project research
| READ |
| SEE MORE |
The Mystery of Chaco Canyon
Award winning film by Anna Sofaer,
Narrated by Robert Redford
The LiDAR Project
Aerial Laser scanning reveals cosmographic Chaco roads
| FIND OUT MORE |
| LEARN MORE |
The Sun Dagger Explorer Model
An interactive model at the New Mexico Museum of Natural History invites exploration of the site’s solar and lunar light effects