Previous Problems of the Final Round of the Chinese National Astronomy Olympiad (CNAO) (2002-2022)

Post author: Ryan Guo
Post link: <a href="https://ryan-gwo.github.io/en/posts/56951.html" title="Previous Problems of the Final Round of the Chinese National Astronomy Olympiad (CNAO) (2002-2022)">https://ryan-gwo.github.io/en/posts/56951.html
Copyright Notice: All articles in this blog are licensed under <span class="exturl" data-url="aHR0cHM6Ly9jcmVhdGl2ZWNvbW1vbnMub3JnL2xpY2Vuc2VzL2J5LW5jLXNhLzQuMC9kZWVkLmVu"> BY-NC-SA unless stating additionally.

Posted on 2023-10-07 Edited on 2024-05-18 In Problems , CNAO Views: Word count in article: 481 Reading time ≈ 1 mins.

As a newbie(T_T) who has only participated once in CNAO, I've organized some test questions from previous years in my free time before and after the olympiad. I'm going to put them up for future BR's reference (orz).

Final round problems of Chinese National Astronomy Olympiad(2002-2020)

Final round problems of Chinese National Astronomy Olympiad (2021-2022)

Video for Problem 3 in CNAO 2021-2022

It's not easy to organize, try not to spread it widely, but you can promote this site when you share it QAQ (

If there are any omissions or updates, please feel free to contact me.