Helpful Resources
Here are some great resources that will help you in your astronomy journey.
USAAAO Guide
A guide to advanced concepts within the Astronomy & Astrophysics Olympiad, compiled by instructors across three continents.
NZOAA Past Papers
Find old NZOAA exam papers here!
IOAA Past Papers
Past exams of the IOAA can be found here. They are a good representation of what future exams will look like.