Astronomers have spotted they are getting repeated blast of radio signals from somewhere down in space.
While radio impacts from deep space have been detected before, it is just the second time ever that such a radio blast has been repeated. One of the recently recognized signals repeated itself multiple times, from the same location.
Researchers said this can a big opportunity to finally understand from where exactly these signals are originating. Until now, there has only been speculation as to the blasts’ origins, such as exploding stars to alien transmissions, as evidence has always been so scarce.
These signals only last for milliseconds, as reported by The Independent, but they are flung out with the same amount of energy the sun takes 12 months to produce.
According to Ingrid Stairs, a member of the CHIME team and an astrophysicist at UBC. :
Until now, there was only one known to repeat FRB [fast radio burst]. Knowing that there is another suggests that there could be more out there. And with more repeaters and more sources available for study, we may be able to understand these cosmic puzzles — where they’re from and what causes them.
Astronomer believes that finding these repeating signals implies they soon going to find substantial population’ of such signals.
As per Cherry Ng, an astronomer at the University of Toronto:
That could mean in some sort of dense clump like a supernova remnant, or near the central black hole in a galaxy. But it has to be in some special place to give us all the scattering that we see.
13 signals have been detected by the astronomers in a period of 3 weeks with some potent information we ever had before. Researchers are wanting to utilize this information to reveal where the signs have originated from, whether they are naturally or someone is sending intentionally.
Arun Naidu of McGill University said:
Whatever the source of these radio waves is, it’s interesting to see how wide a range of frequencies it can produce. There are some models where intrinsically the source can’t produce anything below a certain frequency.
The impacts were found by the Canadian Hydrogen Intensity Mapping Experiment in British Columbia. A few researchers had stressed that the range of frequencies it can it can pick up would be too low for it to get the FRBs – but it found far more than expected, and scientists expect it to identify even more.
Of the 13 new blasts that were grabbed, seven of them were recorded at 400 MHz –the lowest frequency of any yet discovered. That proposes there may be considered a greater amount of them, too low to be picked up by CHIME.
Tom Landecker, a CHIME team member from the National Research Council of Canada.
[We now know] the sources can produce low-frequency radio waves and those low-frequency waves can escape their environment, and are not too scattered to be detected by the time they reach the Earth. That tells us something about the environments and the sources. We haven’t solved the problem, but it’s several more pieces in the puzzle.