- Vijnana Bharati, Ministry of Science & Technology, Govt. of India
- 1,598 people
- インド (Kolkata, West Bengal, India)
The largest astrophysics lesson consists of 1,598 participants, and was achieved by the Ministry of Science & Technology, Govt. of India and Vijnana Bharati (both India) at Science City, Kolkata, India on 5 November 2019.
The participants were all school children from various schools.