Some believe they are explosions in distant galaxies, or flares caused by
distant magnetars, highly magnetic pulsars that emit bursts of powerful radiation.
Not exact matches
«Fast radio burst tied to
distant dwarf galaxy, and perhaps
magnetar: First localization of mysterious bursts pinpoints galaxy 3 billion light years away.»
Yet well - studied
magnetars close to home are nowhere near as energetic as the
distant repeater.