BAAO Problems and Solutions
The astronomy olympiad of the British Physics Olympiad, whose Round 2 paper picks the UK's IOAA team. Here are the Round 2 papers from 2016 to 2026 and the first competition and trial papers of 2015, with BPhO's marking schemes up to 2025.
2026
United Kingdom
1 Poynting Into a Star not published 2 Seeing the First Stars not published 3 Television Satellite not published
2025
United Kingdom
1 Gravity Train not published 2 The Fate of the Earth not published 3 Gravitational Microlensing not published
2024
United Kingdom
1 Maximum Payload to Mars not published 2 Discworld Astrophysics not published 3 Heat Transfer in the Sun not published
2023
United Kingdom
1 Solar Analemma not published 2 Wolf-Rayet Dust Shells not published 3 Planetary Migration in Protoplanetary Disks not published
2022
United Kingdom
1 Sunrise in Oxford not published 2 Stellar Structure not published 3 James Webb Space Telescope not published
2021
United Kingdom
1 Mercury's Rotation Period with Aricebo not published 2 Great Conjuctions and the Star of Bethlehem not published 3 High Resolution Stellar Photos not published
2020
United Kingdom
1 Apollo 11 not published 2 Event Horizon Telescope and Super Massive Black Holes not published 3 Inspirals of Exoplanets Near Tidal Destruction not published
2019
United Kingdom
1 Parker Solar Probe not published 2 360 Days in a Year not published 3 Stellar Mass Limits not published 4 Superluminal Jets not published
2018
United Kingdom
1 Stellar Mass Loss not published 2 Multi-Messenger Astronomy not published 3 Great American Eclipse not published 4 Super-Earths and Planet Nine not published
2017
United Kingdom
1 Martian GPS not published 2 Hohmann Transfer Orbits not published 3 Starkiller Base not published 4 Hanny's Voorwerp not published 5 Imaging an Exoplanet not published
2016
United Kingdom
1 Asteroid Belt not published 2 Supermoons not published 3 Interstellar not published 4 Dyson structures not published 5 Gravitational lensing not published
2015
United Kingdom
1 Competition paper All problems Problem Solution BAAO 2015 Competition paper problem 1, All problems
2 Trial paper All problems Problem Solution BAAO 2015 Trial paper problem 2, All problems
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