1. Chinese astronomers have detected repeated fast radio bursts, mysterious signals believed to be from a source about three billion light-years from the Earth.
2. The scientists detected the signals with the Five-hundred-meter Aperture Spherical Radio Telescope (FAST) and are carefully cross-checking and processing them.
3. The detection of the repeated bursts might help shed light on the origin and physical mechanisms of fast radio bursts.
4. Chinese scientists have installed a highly sensitive FRB backend on a 19-beam receiver on the giant telescope, and used it to observe an FRB source named FRB121102, which was first discovered by the Arecibo Observatory in 2015.
5. From late August to the beginning of September, more than 100 bursts were detected from FRB121102, the highest number of bursts ever detected so far.