USAAAO


Here you find the problems and solutions of the USA Astronomy and Astrophysics Organization contests.



2022


NAO:


Short Questions Problem sheet Solution sheet
Medium Questions Problem sheet Solution sheet
Long Questions Problem sheet Solution sheet

First Round:


Problems Problem sheet Solution sheet


2021


NAO:


Short Questions Problem sheet Solution sheet
Medium Questions Problem sheet Solution sheet
Long Questions Problem sheet Solution sheet

First Round:


Problems Problem sheet Solution sheet


2020


NAO:


Short Questions Problem sheet Solution sheet
Medium Questions Problem sheet Solution sheet
Long Questions Problem sheet Solution sheet

First Round:


Problems Problem sheet Solution sheet


2019


NAO:


Short Questions Problem sheet Solution sheet
Medium Questions Problem sheet Solution sheet
Long Questions Problem sheet Solution sheet

First Round:


Problems Problem sheet Solution sheet


2018


NAO:


Short Problems Problem sheet Solution sheet
Long Problems Problem sheet Solution sheet

First Round:


Problems Problem sheet Solution sheet


2016


NAO:


Multiple Choice Problem sheet
Long Problems Problem sheet

First Round:


Problems Problem sheet Solution sheet


2015


NAO:


Multiple Choice Problem sheet Solution sheet
Long Problems Problem sheet Solution sheet

First Round:


Problems Problem sheet Solution sheet

Practice Round:


Problems Problem sheet Solution sheet


2014


NAO:


Multiple Choice Problem sheet Solution sheet
Long Problems Problem sheet Solution sheet