MoS (Independent Charge) Dr Jitendra Singh said that Indian Space Research Organisation (ISRO) is set to launch the European Union’s Proba 3 Sun Observation Mission in December. He said the space scientists from India will partner with those in Europe to unravel the mysteries of the Sun. Proba-3, aims to study the Sun’s faint corona closer to the solar rim, will be launched on PSLV-XL rocket.