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 Plasma Physics Seminar - Professor John Goree; Department of Physics & Astronomy, University of Iowa Monday, November 9, 2026 2:30pm to 3:30pm Van Allen Hall Plasma Physics Seminar Physics & Astronomy Colloquium - Dr. Laurel O'Neill; High Energy Astrophysical Detector Instrumentation (HEADI), Pennsylvania State University Monday, November 9, 2026 3:30pm to 4:30pm Van Allen Hall Physics & Astronomy Colloquium Operator Theory Seminar - Associate Professor Sergii Bezuglyi; Department of Mathematics, University of Iowa Tuesday, November 10, 2026 1:30pm to 2:30pm Van Allen Hall Operator Theory Seminar