Dr. John Barentine, Astronomer, historian,
author, dark-sky defender and science communicator
" John C Barentine "
John is an Arizona native and comes from the “dark side” of science — professional astronomy. He grew up in Phoenix and was involved in amateur astronomy there from grade school. Later, he attended the University of Arizona, beginning research in jobs at the National Optical Astronomy Observatories and National Solar Observatory headquarters in Tucson. From 2001-06 he was on the staff of Apache Point Observatory in New Mexico, serving first as an observing specialist on the Astrophysical Research Consortium 3.5-meter telescope and then as an observer for the Sloan Digital Sky Survey. John is the Executive Officer and Principal Consultant at Dark Sky Consulting, LLC, a consultancy offering professional services in the areas of light pollution, dark skies and astronomy. He is the author of three books on the history of astronomy, The Lost Constellations, Uncharted Constellations and Mystery of the Ashen Light of Venus: Investigating a 400-Year-Old Phenomenon.
For detailed descriptions for all upcoming speakers see Upcoming Speakers on our website!
Date: Thursday, March 19, 2026
Location:
Sun City Oro Valley, Arizona
1565A E Rancho Vistoso Blvd
Oro Valley, AZ 85755