Radio signals coming from deep space detected in Canada

Radio signals coming from deep space detected in Canada

In all the researchers spotted some 13 of the bursts in just a three week period, offering a vast new trove of data for the scientists hunting for their source.

"Seeing these bursts with CHIME will give us a good idea about what FRBs are like and where they come from, by showing us more about how their brightness changes at different frequencies and what's happening to the signal on its way to Earth", she added.

Together they could offer some evidence of the extreme or unusual environment they are coming from - or the mysterious technology that some claim alien civilisations could be launching them into space with. Knowing that there is another suggests that there could be more out there.

"Until now, there was only one known repeating [fast radio bursts]. Knowing that there is another suggests that there could be more out there", said Ingrid Stairs, an astrophysicist at UBC and a team member of the Canadian Hydrogen Intensity Mapping Experiment (CHIME), in a media release.

The repeating FRBs were detected during CHIME's trial run earlier this summer, which used only a small amount of the telescope's potential power.

One of the FRBs was repeating.

Having two sets of repeating bursts could also allow scientists to understand what distinguishes them from single bursts, helping them understand more about their source and watch for future blasts.

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FRBs are thought to emanate from sources billions of light years away outside our galaxy, the Milky Way.

This second repeater, found among the first few CHIME/FRB discoveries, suggests that there exists - and that CHIME/FRB and other wide-field, sensitive radio telescopes will find - a substantial population of repeating FRBs.

Before CHIME began to gather data, some scientists wondered if the range of radio frequencies the telescope had been created to detect would be too low to pick up fast radio bursts.

A majority of the intercepted fast radio bursts shows signs of "scattering", a phenomenon that reveals information about the environment where the radio waves originated from, Phys.org reported.

Team member Dr Cherry Ng, from the University of Toronto, Canada, said: 'That could mean in some sort of dense clump like a supernova (exploding star) remnant.

Since then, CHIME has been at its maximum capacity, and it is expected to detect many more of the enigmatic pulses now that it is fully operational. Most of the FRBs previously detected had been found at frequencies near 1400 MHz, well above the Canadian telescope's range of 400 MHz to 800 MHz.

"[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", he said. "But it has to be in some special place tog I've us all the scattering that we see". "It helps us build a more complete picture of the Universe". "The closest analogs we have in our own galaxies (pulsars) are more than a trillion times fainter", Tendulkar said about the repeating FRB.

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