International Astronomy & Astrophysics Competition 2025 & How to Apply : Applications are now invited from students from all grades and all countries for the 2025 International Astronomy and Astrophysics Competition (IAAC). The International Astronomy and Astrophysics Competition deadline for submission of entries is 17th April, 2025.

The Qualification Round 2025 of the International Astronomy and Astrophysics Competition has opened! Use your skills and astronomy knowledge to win certificates, awards, and prizes. The IAAC gives you the unique opportunity to show your knowledge and astronomy skills! The IAAC is the biggest online astronomy competition for students from all countries.

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International Astronomy & Astrophysics Competition 2025.

International Astronomy and Astrophysics Competition Eligibility.

You have to be a high-school or university student to participate in IAAC 2025. Students from all grades and all countries are invited to participate! You should be smart, open-minded, and creative to solve the science problems.

International Astronomy and Astrophysics Competition Benefits and Prizes.

Successful participants for the International Astronomy and Astrophysics Competition 2025 will receive many certificates, awards, cash prizes, and honors:

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All Participants: Official Participation Certificate
All Finalists: Special Finalists Certificate
1. Prize: 200 USD Cash Prize, Special 1. Prize Certificate
2. Prize: 150 USD Cash Prize, Special 2. Prize Certificate
3. Prize: 100 USD Cash Prize, Special 3. Prize Certificate
Special Regional Awards:
- 1, 2, 3. Regional Award of Africa
- 1, 2, 3. Regional Award of Europa
- 1, 2, 3. Regional Award of Greater Middle East
- 1, 2, 3. Regional Award of South Asia
- 1, 2, 3. Regional Award of South East Asia
- 1, 2, 3. Regional Award of America

We understand the crucial role of teachers and schools for scientific education. Because of that, we award several school awards to honor the efforts of the teachers and the schools:

IAAC School Award for Most Participants: This award receives the school with the most overall participants of the qualification round to honor the efforts of the teachers for encouraging students to participate in scientific competitions.
IAAC School Award for Most Finalists: This special award receives the school with the most students that have shown an outstanding performance and have participated in the pre-final and/or final round.
IAAC School Award for Excellence: This award receives the school with many outstanding students that have achieved high results throughout the overall competition to honor the quality education in general.

The IAAC Network: Winners and former participants of IAAC become automatically part of the IAAC network: This network consists of outstanding and talented students from all around the world!

International Astronomy and Astrophysics Competition 2025 Process & Rounds.

1. Qualification Round: The qualification round 2025 consists of five astronomy problems and you can submit your solutions online until 17. April 2025. All participants receive certificates.

2. Pre-Final Round: Successful participants can register for the pre-final round: You have one week to solve the ten challenging problems of the pre-final round.

3. Final Round: Successful finalists can participate in the final round: You will take a supervised exam of 60 minutes. The winners receive certificates and cash prizes worth over 700 USD.

How to Apply International Astronomy and Astrophysics Competition 2025.

Interested candidates who meet the criteria listed above should apply via the International Astronomy & Astrophysics Competition portal at https://iaac.space/submission.