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Scientists have discovered strange, repetitive radio bursts emerging from deep space, which has more than quadrupled the number of signals detected this year. The eight radio bursts identified on Earth were spotted by the radio telescope of the Canadian Hydrogen Intensity Mapping Experiment (CHIME). It is hoped that this discovery will provide scientists with more complete data that could finally reveal their extraterrestrial origin – and even more data seem to have been discovered.
The results of a separate observation of Australian researchers have not yet been published, but they bring to nine the number of results.
In addition to increasing the amount of data available to astronomers, recent discoveries are significant for the type of radio bursts identified.
Radio signals are repeated, allowing them to be studied for long periods, unlike their unique counterparts, which may disappear immediately after detection.
Because of the transitory nature of these, the search for their origin is considered an almost impossible task.
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However, in an unprecedented feat, astronomers managed last month to trace the origin of a single radio burst.
A team led by Australia traced a signal to a galaxy about 3.6 billion light-years away via the Gemini South Telescope in Chile.
The recent rise in the radio signal also means that scientists can begin to compare and contrast signals and test new theories.
Professor Vikram Ravi, an astrophysicist at Harvard-Smithsonian, suggested last month that all radio bursts could actually be repeated, but only at previously undetected frequencies.
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Physicist Ziggy Pleunis of McGill University said, "Some volcanoes are more active than others, and one may think that a volcano is dormant because it does not have a volcano. has not erupted in a long time. "
Scientists have noted differences between what are thought to be repeated radio bursts and their punctual parents.
Repeated signals, for example, go down in frequency, offering what scientists have described as a "sad trombone" effect.
Scientists have been helped in this attempt to unlock the mystery with an AI program that automatically detects bursts when they reach the Earth.
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Can Fast Radio Bursts (FRBs) be signals of extraterrestrial civilizations?
The controversy over the possibility of an intelligent foreign origin of the FRB continues to rage.
Professor Abraham Loeb of Harvard University recently revealed that an extraterrestrial background could not be ignored.
He told Express.co.uk, "We still do not know if the origin is artificial or natural.
"The origin of the FRB is still a mystery. The available data are not sufficient to reveal the identity of their sources. "
Most astronomers, however, believe that FRBs are created by astronomical phenomena on a large scale.
One theory assumes that radio bursts are a side effect of collision of dense neutron stars with black holes.
Another theory suggests that FRBs are produced by magnetars – neutron stars with incredibly powerful magnetic fields.
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