The Sun gives the light and heat that sustains all life on earth. But many mysteries still surround the star and new discoveries are being made every day. On March 6th, 2012 one such event was observed with our telescopes - a standing wave was observed in one of the coronal structures on the solar surface. Find out why the event was important to our understanding of the Sun in this article.
An IIT Bombay study using satellite data shows rising greenhouse gas levels over Delhi and Mumbai and also identifies emission hotspots in these cities.