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The study of astronomical practices and sky lore of ancient civilizations and cultures.

Radio Programs

Cahokia Aligning the rising Sun September 23, 2017

Eclipse Site? A plethora of solar eclipses September 2, 2017

June Solstice Celebrating the June solstice June 20, 2015

Moon and Aldebaran Keeping an eye on the bull’s eye March 6, 2014

Winter Solstice Drawing up the winter solstice December 20, 2013

Summer Lining up the summer solstice June 19, 2013

Alexandria A city — and a star — fit for a king July 19, 2012

Summer Solstice Lining up the summer solstice June 19, 2012