Fast radio bursts (FRBs) are brief radio emissions from distant astronomical sources. Some are known to repeat, but most are single bursts, occurring only as a single flash of detectable energy. In 2017, astronomers pinpointed the location of the repeating FRB 121102 and reported that it was in a star-forming region of a dwarf galaxy more than 3 billion light-years from Earth. Now, astronomers using CSIRO’s Australian Square Kilometre Array Pathfinder...
