The International Astronomy and Astrophysics Competition (IAAC) is a global science challenge for high school and university students interested in astronomy. 

Who can apply

High school and university students worldwide. Participants in the following age categories:

• Junior: Grade 10 or below (under 16)
• Youth: Grades 11–13 (16–18/19)
• Senior: University level (19+)

How it works
Solve the qualification problems and submit your answers via the online form. It’s that simple to start your journey to the final round.

Benefits

• Telescopes signed by astronaut Frank De Winne and Nobel Prize laureates Francois Englert, Gerard 't Hooft, Michel Mayor, and Didier Queloz.
• Cash Prizes (Total: 1500 USD): The top achievers in the Final Round receive 1st, 2nd, and 3rd Prizes, awarded globally: 1. Prize Senior: 250 USD, 2. Prize Senior: 175 USD, 3. Prize Senior: 125 USD, 1. Prize Youth: 200 USD, 2. Prize Youth: 150 USD, 3. Prize Youth: 100 USD, 1. Prize Junior: 175 USD, 2. Prize Junior: 125 USD, 3. Prize Junior: 100 USD
• International Recognition: All participants receive official digital certificates, with finalists and top performers earning special distinctions.

How to apply

Fill in the application form.

Deadline: 17 April 2026

Read more here.

Opportunity offered by: International Astronomy and Astrophysics Competition