Contests

Click any card to explore problems, solutions & marking schemes.

🇷🇺 National

All Russian Astronomy Olympiad

National astronomy olympiad for students in Russia.

AO Guide Astrophysics Challenge

International online astronomy competition testing observational and theoretical knowledge.

🇧🇩 National

Bangladesh Astronomy and Astrophysics Olympiad

National astronomy olympiad for students in Bangladesh, pathway to IOAA selection.

🇬🇧 National

British Astronomy and Astrophysics Olympiad

UK astronomy olympiad pathway with Astro Round 2 papers and marking schemes.

🇨🇦 National

Canadian Astronomy and Astrophysics Olympiad

National astronomy olympiad for students in Canada, pathway to IOAA selection.

🇨🇿 National

Czech Astronomy Olympiad

National astronomy olympiad for students in the Czech Republic, pathway to IOAA selection.

🇮🇳 National

Indian National Astronomy Olympiad

National astronomy olympiad for students in India, pathway to IOAA selection.

🌍 International

International Olympiad on Astronomy and Astrophysics

International astronomy and astrophysics olympiad with theory and data analysis rounds.

💫 International

International Olympiad on Astronomy and Astrophysics Junior

International astronomy and astrophysics junior olympiad archive.

🇮🇷 National

Iran TSTs

Iran's team selection tests for selection to the IOAA.

🇯🇵 National

Japanese Astronomical Olympics

National astronomy olympiad for students in Japan, pathway to IOAA selection.

🔭 International

Open World Astronomy Olympiad

International online astronomy competition testing observational and theoretical knowledge.

🇸🇬 National

Singapore Astronomy Olympiad

National astronomy olympiad for students in Singapore, pathway to IOAA selection.

🇺🇸 National

USA Astronomy and Astrophysics Olympiad

National astronomy and astrophysics competition for high school students in the United States of America.

Want to add problems or help maintain the site? Open a PR.

Contribute on GitHub →