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The Pacific Planetarium Association (PPA) is a non-profit organization with members mostly from planetariums in the western states of Alaska, California, Hawaii, Idaho, Nevada, Oregon, Washington.
Our mission is to facilitate communication and cooperation among members of the planetarium community to help them provide the very best services to their respective communities in science literacy, arts & humanities awareness, and understanding of our universe.
2026 Planetarians' Zoom Seminars (PZSs) are usually on the last Friday of the month. They are recorded and archived on the Seminar Archive page. For connection URL, see the Seminar Connection page. See Seminar Schedule page for full descriptions.
2026 Nov 20, at 12pm PST (3pm EST, 20:00 UTC), Planetarium Educators Workshop: Questioning Strategies. The workshop goals are to introduce a scheme for classifying questions, to practice identifying types of questions, and to think of how to design intriguing sequences of questions to ask during a planetarium program. The right questions can help increase the value of our dialog with audiences. This is Part 5 in the Planetarium Educators Workshop series that began in July 2025 and is derived from the Planetarium Educators Workshop Guide. Workshop facilitator is Alan Gould.
PPA Officers as of January 3rd 2026: Secretary Tony Smith and Treasurer Andrew Kerr
Latest recording on the Planetarians' Zoom Seminar Archive page: 2026 October: How to give a talk
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To become a PPA member, see the PPA Membership page.
The Pacific Planetarium Association pay tribute to the lives and legacies of dear members who have passed on, but remain with us in memory: Don Warren (1999), Charles Hagar (2013), Lonny Baker (2015), Dale Etheridge (2019), Mike Bennett (2021), and Steve Craig (2021).
PPA is an affiliate of the International Planetarium Society. Recordings of recent IPS virtual conferences are on the IPS youtube channel.
PPA is also one of the associations in the Western Alliance Conference of Planetarium Associations (WAC—Western Alliance Conference).
PPA youtube channel: youtube.com/@ppadomes