The New Standard for
Competitive Astrophysics.
The AO Guide Astrophysics Challenge is not just a test, but a playground. We bridge the chasm between Olympiad theory and real research by requiring students to think, derive, and code.
The "Research-Thinking"
Architecture
Traditional competitions are filters for speed. AOAC is a filter for depth. While the Open round tests rapid physics and astronomy knowledge, the Invitational changes the game entirely.
Students face problems that cannot be solved with a Casio calculator: they have a 72-hour window to use Desmos, Python, and Mathematica to model gravitational wave signatures and process CCD images.
Computational Dominance
Students are made to solve non-linear differential equations, uncovering the complex nature of astrophysical systems.
Absolute Meritocracy
Our unique identity system ensures double-blind grading. No names, no bias. Just the quality of the derivation.
The AOAC Committee
Built by the top minds in the astronomy olympiad community.
IOAA 2025 Gold Medalist. Developer of the AO Guide ecosystem.
IOAA 2025 and IPhO 2025 Bronze Medalist, and IOAA 2024 and APhO 2025 Honourable Mention.
Sumant Gupta
IOAA 2025 Silver Medalist and IOAA Jr. 2024 Gold Medalist.