Possible explanations for the repeating bursts vary from outbursts from rotating neutron stars with extraordinarily sturdy magnetic fields, so-called magnetars.
To a extra speculative thought: They are directed vitality sources, powerful laser bursts used by extraterrestrial civilizations to energy spacecraft, utilizing powerful laser pulses to propel nano-spacecraft to Earth’s nearest star, Proxima Centauri.
The streaks throughout the coloured vitality plot are the bursts showing at completely different instances and completely different energies due to dispersion prompted by three billion years of journey by intergalactic area. Credit: University of California.
Whether or not the quick radio bursts flip out to be signatures of extraterrestrial know-how, bursts from this supply have by no means been seen at this excessive a frequency,” mentioned Andrew Siemion, director of the Berkeley SETI Research Center and of the Breakthrough Listen program to phys.org.