18th International Olympiad on Astronomy and Astrophysics opens in Mumbai
Prime Minister Narendra Modi addressed the 18th International Olympiad on Astronomy and Astrophysics (IOAA) in Mumbai through a video message on 12 August 2025; the olympiad, organised by HBCSE-TIFR, runs from 11 to 21 August.
Summary
Prime Minister Narendra Modi sent a video message to the 18th International Olympiad on Astronomy and Astrophysics (IOAA) on 12 August 2025, welcoming participants to India. The olympiad is being held in Mumbai from 11 to 21 August 2025 and is organised by the Homi Bhabha Centre for Science Education (HBCSE) of the Tata Institute of Fundamental Research, bringing together school students from several dozen countries.
Key facts
- Event
- 18th International Olympiad on Astronomy and Astrophysics (IOAA)
- Venue / dates
- Mumbai, 11–21 Aug 2025
- Organiser
- HBCSE, Tata Institute of Fundamental Research
- PM's message
- Video message, 12 Aug 2025
Practice MCQs 1 questions
Which city hosted the 18th International Olympiad on Astronomy and Astrophysics (IOAA) in August 2025?
Show answer
Correct answer: C — Mumbai
The 18th IOAA was held in Mumbai from 11 to 21 August 2025, organised by HBCSE-TIFR; PM Modi addressed it through a video message.