National/ International Astronomy Olympiad Problem Sheets
[Updated: 16 September 2020]
I have some of the files, but I think it’d be easier to link to their pages as well (so that if anyone asks me I can just link him/ her this). Basically, you can just go to their own respective websites, but having them in one place helps a lot (especially for my Indonesian students/ friends). I try to link to official websites if I can. If I don’t have the links but I have the files, will upload them.

A must read
(Still building sources from dusty folders)
OSN Astronomi (Olimpiade Sains Nasional/ Indonesian National Olympiad) (in Bahasa Indonesia)
City-Level Olympiad Guide (2014), National Olympiad Guide (2014)
Note: Most of the earlier years’ problems can be found in Mr Mariano Nathanael’s files, if they aren’t there, I’ll put the link below. A few discussions of the problems also linked, from ridlow@wordpress, https://davidorlando.com/ , and aryanaparamita@wordpress. City-level is OSK, province level is OSP.
NO. | YEAR | LOCATION | LINK |
I | 2002 | No Astronomy Olympiad | – |
II | 2003 | National Only, in Bandung, West Java | see note, Solution |
III | 2004 | Pekanbaru, Riau | see note |
IV | 2005 | Jakarta, Special Capital Region of Jakarta | see note, National (Data Analysis-Solution) |
V | 2006 | Semarang, Central Java | see note |
VI | 2007 | Surabaya, East Java | see note, City(?), National (Data Analysis, Observation, Observation-Cloudy) |
VII | 2008 | Makassar, South Sulawesi | see note,
National (Observation, Observation-Cloudy) |
VIII | 2009 | Jakarta, Special Capital Region of Jakarta | see note |
IX | 2010 | Medan, North Sumatra | see note |
X | 2011 | Manado, North Sulawesi | see note |
XI | 2012 | Jakarta, Special Capital Region of Jakarta | see note |
XII | 2013 | Bandung, West Java | see note |
XIII | 2014 | Mataram, West Nusa Tenggara | see note,
Province Answer (Kemdikbud) (Discussion 1 (Ridlo W. Wibowo), Discussion 2 (David Orlando)), |
XIV | 2015 | Palu, Central Sulawesi | see note, City, Province, National (Theory, Data Analysis, Observation) (TPOA)
City (Kemdikbud) (Solution)(Discussion 1 (Ridlo W. Wibowo), Discussion 2 (David Orlando)) Province (Kemdikbud) Solution (Discussion (Ridlo W. Wibowo)), |
XV | 2016 | Palembang, South Sumatra | City Solution (Kemdikbud)(discussion (Ridlo W. Wibowo))
Province Solution (Kemdikbud) (Discussion (Ridlo W. Wibowo)) National (Solution, Kemdikbud), ( Discussion) (Aryana Paramita) |
XIV | 2017 | Pekanbaru, Riau | City/ City (Aryana Paramita)(Solution, discussion (Ridlo W. Wibowo)), Province (discussion (Ridlo W. Wibowo)), National (theory) (Ridlo W. Wibowo) |
XV | 2018 | Pekanbaru, Riau | City (Discussion (Ridlo W. Wibowo), Discussion (Aryana paramita)), Province (Abdul Salim), (Discussion (Ridlo W. Wibowo)), National (theory) (Ridlo W. Wibowo, with discussion by M. Ikhsan) |
XVI | 2019 | Tasikmalaya, West Java | City (Discussion (Ridlo W. Wibowo), Province with discussion (Ridlo W. Wibowo), |
XVII | 2020 | Bangka Belitung(?) | City (Discussion (Ridlo W. Wibowo), |
If you want more, you can also check past OSN Kebumian (Indonesian Earth Science Olympiad, also in Bahasa Indonesia) papers, it has roughly 20% Astronomy-related questions.) (syllabus) (note: by reading this part and the IESO part below, you can’t help but wonder why all Earth Science Olympiad organisers are really nice in uploading their problems online)
From Kemdikbud
2008 City (answer) , Province (with discussion) , National
2009 City with answer , Province (with discussion) , National (with answer)
Kebumian (Astronomy part) 2016 (Kemdikbud)
2010 National MC , Essay ( Answer )
2011 Province, National ( Answer )
2012 City with answer, province (answer) , National: theory (answer)
2013 City (answer) , Province (answer), National: theory (answer)
2014 City (answer) , Province (with answer), National: Field (Astronomy), theory (with answer)
2015 City (answer) , Province (answer), National: theory (answer)
2016 City (answer) , Province (answer), National: Field (Astronomy) (Answer), theory (answer)
2017 City (answer , discussion) Province (from folderosn.com)
2018 City (answer) Province(from folderosn.com)
2019 City (answer), Province (from folderosn.com)
IOAA (International Olympiad on Astronomy and Astrophysics)
NO. | YEAR | LOCATION | LINK |
I | 2007 | Chiang Mai, Thailand | ProblemsProblems |
II | 2008 | Bandung, Indonesia | ProblemsProblems |
III | 2009 | Tehran, Iran | Problems with Solutions, Problems |
IV | 2010 | Beijing, China | Problems with Solutions |
V | 2011 | Chorzow/Katowice/Krakow, Poland | Problems, Problems |
VI | 2012 | Rio de Janeiro/ Vassouras, Brazil | Problems |
VII | 2013 | Volos, Greece | Problems with Solutions |
VIII | 2014 | Suceava/Gura Humorului, Romania | Problems |
IX | 2015 | Magelang/ Semarang, Indonesia | Short Problems, Long Problems (Marking), Data Analysis (Solution), Constants |
X | 2016 | Bhubaneswar, India | Theory and Data Analysis, Team and Observation |
XI | 2017 | Phuket, Thailand | Problems with solution |
XII | 2018 | Beijing, PRC | Problems |
XIII | 2019 | Kezthely, Hungary | Problems & Solution |
IAO (International Astronomy Olympiad)
NO. | YEAR | LOCATION | LINK |
I | 1996 | Nizhnij Arkhyz,Russia | Problems |
II | 1997 | Nizhnij Arkhyz,Russia | Problems |
III | 1998 | Nizhnij Arkhyz,Russia | Problems |
IV | 1999 | Nauchnyj, Crimea | Problems |
V | 2000 | Nizhnij Arkhyz,Russia | Problems |
VI | 2001 | Nauchnyj, Crimea | |
VII | 2002 | Nizhnij Arkhyz,Russia | |
VIII | 2003 | Stockholm, Sweden | Seniors – Problems |
IX | 2004 | Simeiz, Crimea | Planetary Data, Cat Crews, a 1-4. a 3-6, b 1-3, b 3-6 |
X | 2005 | Beijing, China | Problems |
XI | 2006 | Bombay, India | |
XII | 2007 | Simeiz, Crimea | Beta |
XIII | 2008 | Trieste, Italy | |
XIV | 2009 | Hangzhou, China | |
XV | 2010 | Sudak, Crimea | Alpha Beta |
XVI | 2011 | Alma-Ata, Kazakhstan | Alpha Beta |
XVII | 2012 | Gwangju, Republic of Korea | Problems |
XVIII | 2013 | Vilnius, Lithuania | Problems with Solution |
XIX | 2014 | Bishkek – Cholpon-Ata, Kyrgyzstan | Problems |
XX | 2015 | Kazan, Russia | Problems |
XXI | 2016 | Smolyan – Pamporovo, Bulgaria | Theory Practical Observation |
Merge of Previous IAO Problems
Don’t think the organiser would ever upload questions again. People with questions if you can upload, please. APAO as well.
APAO (Asian-Pacific Astronomy Olympiad)
NO. | YEAR | LOCATION | LINK |
I | 2005 | Irkutsk, Russia | observation |
II | 2006 | Vladivostok, Russia | Theoretical round, group a |
III | 2007 | Xiamen, China | Theoretical round, group a |
IV | 2008 | Bishkek, Kyrgyzstan | Theoretical round, group a |
V | 2009 | Damyang, Republic of Korea | Theoretical round, group a |
VI | 2010 | Tolikara, Indonesia | |
VII | 2011 | Aktyubinsk, Kazakhstan | |
VIII | 2012 | Cox’s Bazar, Bangladesh | Theoretical round, problems 1-6, group a
Theoretical round, problems 1-6, group b Practical round, problem 7, groups a and b Practical round, problem 8, group a |
IX | 2013 | Tomohon, Indonesia | |
X | 2014 | Irkutsk/Listvyanka, Russia | Problems |
XI | 2015 | Dhaka, Bangladesh | Problems |
XII | 2016 | Goheung, Republic of Korea |
IESO (International Earth Science Olympiad)
Syllabus. Have 20% Astronomy-related questions. Astronomy Problems from 2007-2013. Problems from 2007-2013. Problems from 2014.
TOIKI (Indonesian Earth Science Olympiad Team) website also links some questions from KESO (Korean Earth Science Olympiad)
BAAO (British Astronomy and Astrophysics Olympiad)
Past papers (Trials from 2015-2018)
INAO (Indian National Astronomy Olympiad)
(mostly from resonance.ac.id)
Indian National Astronomy Olympiad Problems and Solution (2008-2019)
INAO 2015 Problems and Solution
INAO 2016 Problems and Solution
INAO 2017 Problems and Solution
INAO 2018 Problems and Solution
INO 2019 Problems and Solution
National Standard Examination in Astronomy (NSEA)
Also for India.
Solved paper 2013 and 2015 (examrace.com).
Problems and Solution for 2015 (resonance.ac.in).
Problems and Solution for 2016 (resonance.ac.in).
Problems and Solution for 2017 (resonance.ac.in)
Problems and solution for 2018-2019 (Aakash.ac.in)
USAAAO (USA Astronomy and Astrophysics Olympiad) + NAO (National Astronomy Olympiad)
Sylabus, past exams and answers (2014-2019)
Canadian Astronomy Olympiad(?)
SLAAO (Sri Lankan Astronomy and Astrophysics Olympiad) and SLJAO (Sri Lankan Junior Astronomy Olympiad)
Srilankan Olympiad on Astronomy and Astrophysics Problems (2007-2011)
SAO (Singapore Astronomy Olympiad)
4th SAO (2016)
Past SAO Papers (2016-2019), 6th SAO Papers (2020)
MyAO (Malaysian Astronomy Olympiad)
2018 Sample Question (Eng & Malay)
BDOAA (Bangladesh Olympiad on Astronomy and Astrophysics)
- Bangladesh Astronomy Olympiad 2010 (National) (scienceolympiadsbd@blogspot)
- Bangladesh Astronomy Olympiad 2012 (National) scienceolympiadsbd@blogspot)
- Bangladesh Astronomy Olympiad 2013 (Divisional, National) scienceolympiadsbd@blogspot)
- Bangladesh Astronomy Olympiad 2014 (Divisional) scienceolympiadsbd@blogspot)
- Bangladesh Astronomy Olympiad 2015 (Divisional, National) (scienceolympiadsbd@blogspot)
- BDOAA Past Question (2018) (in Bangla)
- BDOAA Past Question (2018-2020)(in English) and sample question (in Bangla) (from Fahim Rajit Hossain Shwadhin)
(Gratitude and credit is fully given to Fahim Rajit Hossain Shwadhin from Bangladesh Astro-Olympiad who’s personally emailing me for the most recent information for BDOAA. Thank you again, Fahim!)
From scienceolympiadsbd@blogspot
- Russian Open School Astronomy Olympiad by Correspondence (2005-2008)
- Romanian National Astronomy Olympiad 2014
- Iran Astronomy Problem Set 2014
Others (From Countries’ Astronomy Olympiad Websites, Not in English)
Translated with My Grandpa Google’s help.
Bulgaria (Grade V-VI, Grade VII-VIII, Grade IX-X, Grade XI-XII. Training camp questions (junior, senior)): 2004 (8th), 2005 (9th), 2006 (10th), 2007 (11th), 2008 (12th), 2009 (13th) , 2010 (14th), 2011 (15th), 2016 (20th), 2018 (22nd), current (2020)
Estonia (2004-2016)
Mexico (INAOEP) : 2004 (2nd), 2008 (4th) , practices
Russia
Lomonosov Tournament (Tournament, Final) (1978-2018) (in Russian) with Solution
All-Russian Olympiad (including Astronomy) (in Russian) with Solution (2009-2019) Stage 5-10)
Sources: Official websites (IOAA, IAO, APAO, IESO, BAAO, SLAAO, SLJAO, INAOEP, etc.), http://olimpiade.psma.kemdikbud.go.id/, http://scienceolympiadsbd.blogspot.co.uk/p/science-olympiads.html, http://www.tpoa-indonesia.org/downloadtpoa/, http://soal-olim-astro.blogspot.co.uk/search/label/Soal, toiki.or.id
(If anything shouldn’t be uploaded/ linked, please tell me, thank you. If you inform me of anything new/ other Astronomy olympiads/ or something missing, I’ll be very grateful. Can’t work around languages not written in Latin scripts.)
Posted on August 7, 2016, in Learning, Spacing, Teaching and tagged astronomy, iao, ioaa, olimpiade, olympiad, osn. Bookmark the permalink. 3 Comments.
Thanks you😃
You’re welcome (and good luck for your olympiad).
Sources from more competition/ countries are welcomed.
Terima kasih sekali 🤗