On 31 May 2017, three space-based observatories – India’s Astrosat, NASA’s Chandra and NASA’s and ESA’s Hubble Space Telescope, along with a ground-based observatory High Accuracy Radial velocity Planet Searcher (HARPS), participated in this exciting exercise and have detected a coronal explosion -- an unusually large release of plasma and magnetic field from a star – in Proxima Centauri.