Repetitive Radio Burst From Distant Galaxy, Detected By Scientists in Okanagan Valley

A Second Mysterious Repeating Fast Radio Burst Has Been Detected in Space

But this is only the second one that has been found to repeat. Even though we thought that the Sun is powerful, one of those bursts owns 25 million times more energy than the big star.

Fast Radio Bursts (FRBs) are very energetic, fleeting radio signals (they only last a few milliseconds), which are supposed to come from deep space.

CHIME detected 13 FRBs in July and August, according to Nature, a British scientific journal.

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.

The University went on to say that FRBs are hard to research but could be linked to powerful astrophysical objects such as supernova remnants. Theories on the source of FRBs range from a rapidly rotating neutron star, to a black hole, or even extraterrestrial intelligence.

These repeating signals have a lower frequency.

Since getting past the pre-commissioning phase, CHIME has detected emissions in multiple events - seen down to 400 MHz, the lowest radio frequency to which it is sensitive. "There are some models where intrinsically the source can't produce anything below a certain frequency", said Arun Naidu of McGill University, and one of the authors of the study on the newly found repetitive fast radio burst from a distant galaxy.

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However, Tendulkar said it was extremely unlikely the waves were caused by intelligent life.

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. "We haven't solved the problem, but it's several more pieces in the puzzle".

The telescope responsible for these findings, the Canadian Hydrogen Intensity Mapping Experiment, or CHIME, promises to be the most effective FRB hunter in operation.

Canada's new radio telescope, CHIME is made up of four 100-metre-long antennas, which scan the entire northern sky each day.

"The chances of having aliens in all these different places deciding to make the same kind of signals and directing them toward us, it's just not a viable thing", she said with a laugh. However, one of those bursts, the repetitive fast radio burst, is the second repetitive one ever discovered by researchers. CHIME is an official Square Kilometre Array (SKA) pathfinder facility.

Because it bursts again and again - with periods of what seem like quiescence in between - astronomers have been able to catch it in the act, and trace it to its source, a galaxy about 3 billion light-years away.

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