Junior
Junior is a CAAO competition division. Papers, results, and the participation guide are linked here. Grade or age cutoffs are not stated on this page.
Canadian Astronomy and Astrophysics Olympiad
Organized by the Canadian Association of Amateur Astronomers (CAAA).
CAAO offers Junior and Senior astronomy and astrophysics competitions. Use the guides below for participation, past papers, preparation, team profiles, and results.
Past Papers & Preparation
Released problems are grouped by division and year. Formats and instructions can differ from one year to the next.
Junior and Senior competition pathways
Senior
Senior is a CAAO competition division. Papers, results, and the participation guide are linked here. Grade or age cutoffs are not stated on this page.
Representing Canada
CAAO competition performance can lead to invitations to training and further selection assessments. International team selection follows the eligibility and selection criteria published for the relevant competition cycle.
Taking part in a national CAAO competition and being eligible to represent Canada internationally are separate questions.
About CAAO and CAAA
The Canadian Astronomy and Astrophysics Olympiad is organized by the Canadian Association of Amateur Astronomers (CAAA).
Partners and supporters
McMaster University Planetarium
We would like to express our sincere appreciation to McMaster University's Planetarium for their generous support. Your support is essential to help us bringing astronomy and astrophysics education to more students across Canada.
Perimeter Institute
We would like to express our sincere appreciation to Perimeter Institute for their generous support. Your support is essential to help us bringing astronomy and astrophysics education to more students across Canada.