International Olympiad on Astronomy and Astrophysics (IOAA) Worldwide
2026
Information
The Junior IOAA is an international astronomy and astrophysics olympiad aimed at introducing early high school students to astronomy and promoting their knowledge in the subject. It consists of theoretical, practical and observational components covering basic astronomy, celestial mechanics, spectroscopy, solar system science, stellar properties and related topics. The syllabus expects familiarity with basic physics and mathematics at gymnasium and early high-school level and allows the use of astronomical software in practical tasks. Participants meet peers with similar interests from around the world through the event.
Benefits
Introduction to astronomy and astrophysics; international exchange and opportunity to meet students with similar interests from around the world; participation in theoretical, practical and observational challenges.
Eligibility
Early high school students; the aim is to introduce early high-school students to astronomy and astrophysics.
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