Translations of IOAA 2025 Problems and Solutions  

Instructions

• Theory Instructions
• Data Analysis Instructions
• Observation Round Examination Sky Map Instructions
• Observation Round Examination Telescope Instructions
• Observation Examination Planetarium Instructions
• Table of Constants

Theory Examination

• Theory Examination

Data Analysis Examination

• Data Analysis Examination

Observation Rounds

• Observation Round Examination Sky Map
• Observation Round Examination Telescope
• Observation Examination Planetarium

Group Competition

• Group Examination
• Group Writeup

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Problems and Solutions Main Page