THE JHARKHAND STORY DESK   New Delhi, Jan 1: The first-ever X-Ray Polarimeter satellite, which is expected to shed light on astronomical objects like black holes, was successfully launched by ISRO on Monday. The principal X-Ray Polarimeter satellite, XPoSat, was accurately positioned into a 650 km Low Earth Orbit by the Polar Satellite Launch Vehicle … Continue reading ISRO successfully launches XPoSat to study X-ray emission from celestial sources