Radio Signals From A Galaxy Light Years Away Have Been Reported

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Chime astrophysicist Dr Ingrid Stairs, from the University of British Columbia in Vancouver, said: "Until now, there was only one known repeating FRB". Knowing that there is another suggests that there could be more out there.

Mysterious radio signals (artist's impression) have reached Earth - from a galaxy 1.5 billion light years away. Some scientists had anxious that the range of frequencies it can pick up would be too low for it to receive the FRBs - but it found far more than expected, and scientists expect it to identify even more.

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.
Whatever they are, CHIME's initial detections suggest that the $13 million radio telescope will be a powerful tool for tracking down more of the bursts.

'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'.

Radio signals coming from a distant galaxy in outer space have been detected by a telescope in Canada.

Known as "fast radio bursts", (FRBs) the repeating nature of the waves makes it possible to track its source, if only for a brief moment.

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The most likely explanation is that they were created by powerful objects in space.

The 13 fast radio bursts (FRB) have previously been picked up once before by a different telescope.

Fast radio bursts (FRBs) are millisecond-long flashes of radio waves whose origin is unknown.

"We're very excited to see what CHIME can do when it's running at full capacity", said Deborah Good, a UBC PhD student in physics and astronomy who is working on CHIME. "We haven't solved the problem, but it's several more pieces in the puzzle", says Tom Landecker, a CHIME team member from the National Research Council of Canada. "Our data will break open some of the mysteries of [the bursts]". The first repeating fast radio burst was recorded at a frequency of 700 megahertz, but some of the bursts CHIME recorded were as low as 400 megahertz. "There are some models where intrinsically the source can't produce anything below a certain frequency", team member Arun Naidu of McGill University said in a statement.

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.

At distances of billions of light years it's obviously very hard to test any of these theories, but detecting more FRBs, especially those that have a habit of repeating, could bring us closer to an explanation.

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