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Money Radio Signals From Other Side of Universe Discovered

16:51  11 october  2018
16:51  11 october  2018 Source:   newsweek.com

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A huge Russian telescope in a remote part of the Caucasus detects a mysterious burst of radio signal coming from far away in outer space. It’s traced to a 6.3 billion-year-old star in a constellation 94.4 light years away from Earth, meaning the radio waves have been travelling across the universe to us

SCIENTISTS have picked up a rare, mysterious radio signal from the other side of the universe . The low-frequency super-fast burst (FRB) lasted just Theories suggest the signal , named FRB 180725A, could originate from a black hole – or even an alien civilisation. FRBs were first discovered in 2007.

a sky view looking up at night: Antennas of CSIRO’s Australian SKA Pathfinder with the Milky Way overhead. © Alex Cherney/CSIRO Antennas of CSIRO’s Australian SKA Pathfinder with the Milky Way overhead. Dozens of radio signals emanating from deep space have been discovered. These signals—known as fast radio bursts (FRBs)—were first discovered just over a decade ago and since then have posed a mystery for scientists studying them.

FRBs last just a few milliseconds and appear to be coming from a source beyond the Milky Way. They are picked up by radio telescopes—but are normally only found by scientists in the data long after the event has ended. They have previously been compared to seeing the flash of a camera in a pitch black room, then trying to work out where the camera is located while still in the dark. Around 40 separate events have been detected in total.

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Scientists detect strange repeating radio burst on the other side of the cosmos Fast radio bursts, or FRBs, have baffled scientists for the past decade.

Another problem with studying FRBs is that they seem to mostly be one-off events. To date, only one repeating FRB has been discovered. FRB 121102 has been recorded repeating. Recently Breakthrough Listen—an initiative to find intelligent alien life elsewhere in the universe—announced 72 more bursts had been discovered. The source of this burst has been identified as a galaxy 3.7 billion light-years away—but what is causing it still defies explanation.

In a study published in Nature, a team of scientists from Australia has announced the discovery of another 20 FRBs, vastly expanding the number of events recorded.

The researchers began their survey of the sky in January 2017. They used the Australian Square Kilometre Array Pathfinder (ASKAP) telescope and pointed each of the available antennas towards a different area of the sky. This gave them a wide view of space, allowing them to scan for FRBs.

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Fast radio bursts are detected throughout the Universe but FRB 121102 is the only one known to repeat. Over time, more than 150 high-energy bursts The discovery means the phenomenon are sometimes referred to as “Lorimer bursts”. FRB 121102 is so-called because it was discovered on

The signals were picked up by the Breakthrough Listen project, a 0m (£77m) initiative to find signs of intelligent life in the universe set up by The source, known as FRB 121102, was discovered in 2012 and resides in a dwarf galaxy about 3bn light years from Earth. Now 15 more signals have been

Over the course of the year, they found 20 previously unknown FRBs. None of these were found to repeat, although they were able to get a better idea of how far away the source of the bursts is. "We’ve proved that fast radio bursts are coming from the other side of the universe rather than from our own galactic neighborhood,” Ryan Shannon, from Swinburne University of Technology, said in a statement.

The bursts travel for billions of years. As they do, they pass through clouds of gas. When this happens, the wavelengths the burst is composed of slows slightly. This allows scientists to work out how much material the burst has traveled through, giving an indication as to how far it has come. One of the FRBs found was the “nearest and the most energetic bursts detected so far,” making it a prime candidate for future study, the researchers say. Identifying this FRB's host galaxy will help distinguish between different burst sources.

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The unexplained signals from the other side of the universe known as fast radio bursts are a rarely observed phenomenon and only one of them has Perhaps some ancient intelligent species was clued in to the emergence of life on our planet and knew that a signal sent would reach us just as we were

Astronomers have been listening to radio waves from space for decades. In addition to being a proven means of studying stars, galaxies, quasars and In the most recent case, scientists from the Arecido Observatory recently announced the detection of a strange radio signal coming from Ross 128 – a

As to what is causing the FRBs, scientists are still very much in the dark. Some have suggested one-off cataclysmic events like a neutron star collapsing into a black hole could produce them, but this wouldn’t explain the existence of the repeating FRB.

Andrew Siemion, Director of the Berkeley SETI Research Center and Principal Investigator on Breakthrough Listen, commented on the study. “The latest results from the ASKAP FRB team are very exciting,” he told Newsweek. “In addition to nearly doubling the number of known FRB sources, this work reveals the existence of a population of very bright FRB sources that had been expected, but not known, to exist.

“The tentative identification of a host galaxy for one of the bursts will surely prompt additional follow-up. The fact that these discoveries resulted from the team’s ingenuity in extending ASKAP’s already large field-of-view to the extreme is yet another demonstration of how exploring new parameter space can result in dramatic discoveries.”

“As is standard for FRB research up to this point, this work raises more questions than it answers. What is the cause of the diverse spectral properties seen in the bursts?  Why were none of these bursts seen to repeat, even after very extensive follow-up? Do these FRBs represent a fundamentally different population than the one well-studied FRB known to repeat? As the team continues to build their observation capabilities, improving the fidelity of the captured data products as well as their ability to localize bursts, insights into the answers are likely to follow.”

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