Chinese astronomers have discovered an extremely rare, stable three-star system located about 7,000 light-years from Earth using the FAST (Five-hundred-meter Aperture Spherical radio Telescope). #china #FAST #astronomy #wion About Channel: WION The World is One News examines global issues with in-depth analysis. We provide much more than the news of the day. Our aim is to empower people to explore their world.