Radio wave bursts from space keep hitting Earth and we don’t know why

https://www.newscientist.com/article/mg24132124-600-radio-wave-bursts-from-space-keep-hitting-earth-and-we-dont-know-why/

The CHIME radio telescope

The CHIME radio telescope is listening out for strange signals

Andre Renard/Dunlap Institute/CHIME

FAST radio bursts (FRBs) are mysterious, milliseconds-long showers of radio waves that come from unidentified objects outside our galaxy. About 60 FRBs have been identified to date, the strangest being a lone, repeating source. Now, it is no longer alone.

In August 2018, researchers at the Canadian Hydrogen Intensity Mapping Experiment (CHIME), a radio telescope in British Columbia, detected 13 more FRBs to add to the catalogue. One of them is the second FRB ever seen to repeat (Nature, doi.org/czfq, doi.org/czfs).

The first …