Flagstaff Festival of Science: Following the Sun and Moon on a Petroglyph Calendar Panel

Following the Sun and Moon at this site has revealed shadow lines and light daggers interacting with certain petroglyph elements marking significant culural events in the Hopi calendar. Hybrid Event: Webinar requires registration, in-person does not require a reservation.       Part of Flagstaff Festival of Science, a free annual 10-day event wholly designed to promote awareness and enthusiasm for science in and about northern Arizona and beyond, and is fondly known as the Best 10 Days of the Year. Established in 1990, it is the longest, continuously running, entirely free science festival in the world.