USAAAO 2017 Conclusion

Thank you to all the students who participated in the USAAAO this year and all the proctors who helped administer tests and for everyone’s patience in the process. We had 222 participants this year, 47 of whom were invited to take the NAO.

Out of 90 points, the mean score on the NAO was a 34.06 with a median of 30.5 and standard deviation of 16.40. Based on results, we’ve invited 5 students to represent the USA at the 11th IOAA in November (more information on the team to come soon). Additionally, we have invited the following students (in alphabetic order) to participate in a training camp at MIT in July:

Shubhanga Ballal
April Cheng
David Deng
Hagan Hensley
Rinik Kumar
Karan Mahesh
Joseph McCarty
Sahil Patel
Sidhant Rastogi
Adam Rebei
Eugene Shao
Siddharth Sridar
Jeffrey Tao
Eric Yang
Jason Yang
Dean Zhou
Andy Zhu

Solutions to all the exams from this year are now posted on our Past Exams page. If you’d like to join our mailing list to make sure you get updates about future competitions see our Registration page. As always, let us know if you have any questions at

National Astronomy Olympiad

We invited almost 50 students to participate in the National Astronomy Olympiad from May 15-19. This year, the exam was a 3 hour written exam (to be posted soon). Thanks to all the proctors who helped us administer the tests and to all the participants who sat for the exam. At the moment, all tests have been submitted and we are in the process of grading, so check back for updates soon!

First Round Results

Again thanks to everyone who participated in the First Round of the 2017 USAAAO this year! We had a really competitive group this year, with an average of 15.5 and standard deviation of 5. Based the scores, the exam, and the number of participants we’ve chosen a cutoff score of 20. You should’ve received an email with your score as well as whether or not you qualified for the NAO. If you didn’t, send us an email at

We’ll try to have the solutions up ASAP.

Here’s a histogram of the results:

Screenshot from 2017-05-06 19:00:43

First Round Closed

The First Round of the 2017 USAAAO has now closed. Thanks to everyone who participated! We had over 200 participants from all over the country (and world), and we hope you all enjoyed the exam. Results and solutions will be posted shortly, so stay tuned. We’ll also be sending out invitations for the NAO, which will take place in just 2 weeks! Remember that the NAO must be proctored, so please reach out to teachers early if you think you might qualify!

2017 First Round Registration Open!

Thanks everyone for being so patient with us. We’re excited to open the selection process for the 2017 US IOAA team! Register here for the First Round Exam which will take place online during April 24-28.

For those that don’t know about us, the USA Astronomy and Astrophysics Olympiad selects and trains a team to attend the International Olympiad on Astronomy and Astrophysics, which will happen in Thailand this year. Our selection tests cover a broad variety of topics from observational astronomy to theoretical cosmology. Anyone is welcome to register, however you must be a US Citizen or Permanent Resident to qualify for the team.

Check out our Resources page to see what kinds of things might appear on an exam. See our About page to learn more about the USAAAO. Email us at if you have any questions.

Lastly, here’s a picture of the recent solar flare from NASA!

Credit: NASA/SDO