18th International Olympiad on Astronomy and Astrophysics (IOAA) Begins in Mumbai
- TPP
- Aug 12
- 2 min read
The 18th International Olympiad on Astronomy and Astrophysics (IOAA) is being held in Mumbai, India, from August 11 to 21, 2025. Organized by the Homi Bhabha Centre for Science Education (HBCSE), a division of the Tata Institute of Fundamental Research (TIFR), the event brings together over 300 high school students from 64 countries, making it the largest edition of the Olympiad so far.
The opening ceremony is being held today, August 12, at the Jio World Convention Centre, with top dignitaries including Prime Minister Narendra Modi, Principal Scientific Adviser Prof. Ajay Sood, and Prof. Ajit Kembhavi from the International Astronomical Union (IAU) in attendance.
What is International Olympiad on Astronomy and Astrophysics (IOAA)?
The IOAA, conceived in 2006 and first held in Chiang Mai, Thailand (2007), is an annual international competition that aims to foster interest in astronomy among high school students worldwide. Over the years, it has been hosted by countries like Brazil, China, Colombia, Greece, Hungary, and Iran, among others.
It tests participants in:
Theoretical problems (physics, astronomy concepts)
Data analysis (interpreting astronomical data)
Observational exams (identifying celestial objects, telescope usage)
Team competition (collaborative problem-solving)
Venue & Logistics
Academic and competition activities are being held at The Westin Powai Lake, where students are also staying.
Leaders and mentors are based at St. Regis Hotel, Worli, where jury and moderation sessions take place.
The closing ceremony will be held on August 21 at the Nita Mukesh Ambani Cultural Centre, with ISRO Chairman V. Narayanan and Dr. Anil Kakodkar attending.
India’s Representation
India will be represented by a five-member student team, led by Harvinder Kaur Jassal and Jasjeet Singh Bagla from IISER Mohali (Indian Institute of Science Education and Research).
This is India’s third time hosting the IOAA — earlier editions were held in Mumbai (2008) and Bhubaneswar (2016).
Why It Matters for Students
Offers international exposure in astronomy, physics, and data science
Enhances skills in critical thinking, problem-solving, and collaboration
Builds connections with top science students and educators globally
Acts as a stepping stone to future careers in space science, research, or STEM education
This Olympiad is not just a competition — it's a celebration of scientific talent, global collaboration, and youth-driven innovation, marking a significant milestone in the international education and science calendar of 2025.
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