The Tamil Nadu Science and Technology Centre will be organising a three-day summer school on astronomy and astrophysics between May 17 and 19 for students studying in classes VII to IX. It will be conducted at B.M Birla Planetarium, Periyar Science and Technology Centre and will engage with topics such as the fundamentals of celestial coordinate systems, cosmology, and the evolution of stars. The course will also have practical observational sessions. Fifty students will be admitted. For registration and further details, contact 2441 0025.