Home Van Allen Observatory Van Allen Observatory Welcome to the Van Allen Observatory website. The University of Iowa Department of Physics and Astronomy maintains these pages as a guide to the Van Allen Observatory (VAO) located on the roof of Van Allen Hall in downtown Iowa City. Events Creating Citations with EndNote Thursday, September 24, 2026 12:00pm to 1:00pm Seamans Center Build your scholarly toolkit with this workshop on citation management with EndNote. Nuclear & Particle Physics Seminar - Professor Vincent Rodgers; Department of Physics & Astronomy, University of Iowa Monday, September 28, 2026 3:30pm to 4:30pm Van Allen Hall Nuclear & Particle Physics Seminar Astrophysics & Space Physics Seminar - Professor Emeritus Steve Spangler; Department of Physics & Astronomy, University of Iowa Wednesday, September 30, 2026 3:30pm to 4:30pm Van Allen Hall Astrophysics & Space Physics Seminar