AstroSat was expected to last five years. It is still going 11 years later. On the sidelines of ASI 2026 in IIT Guwahati, Prof Annapurni Subramaniam of the Indian Institute of Astrophysics talks about what it actually takes to engineer something that works — in orbit, where no one can fix it. Published 15 June 2026 | Category Meetings and Conferences | Office Dept of Physics Prof. Annapurni Subramaniam is Director of the Indian Institute of Astrophysics in Bengaluru, and the