AP Secondary Progressions, Solar Arcs and Electional AstrologySecondary Progressions and Solar Arcs. In this program, designed in part as an informal Q&A session, Steven sets the intention to speak more about two central techniques to an Evolutionary Astrology transit reading: Secondary Progressions and Solar Arcs. He lays out some foundational material in that regard, and student questions also lead him into a deeper exploration of the nodes, Pluto, and Mars conjunct the S. Node. This program finishes with a