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 Data Management Thursday, November 5, 2026 12:00pm to 1:00pm Seamans Center Build your scholarly toolkit with a workshop on research data management. Physics & Astronomy Colloquium - Dr. Ed Thiemann; Laboratory for Atmospheric and Space Physics, University of Colorado Thursday, November 5, 2026 2:30pm to 3:30pm Van Allen Hall Physics & Astronomy Colloquium Physics & Astronomy Seminar - Dr. Ed Thiemann; Laboratory for Atmospheric and Space Physics, University of Colorado Friday, November 6, 2026 3:30pm to 4:30pm Van Allen Hall Physics & Astronomy Seminar