The Powerhouse Science Center will host a free virtual event, “Navajo Skies,” the fourth lecture in the Apollo 14 Speaker Series from 4:30 to 5:30 p.m. Sunday.

Tune into @powscicenter Facebook livestream to hear from two Indigenous astronomy experts, Dr. Nancy Maryboy and Dr. David Begay. Maryboy and Begay are co-authors of “Sharing the Skies,” a book about Navajo astronomy and the unique way Navajos view the cosmos and their place in them.

A Q&A session will follow the event.