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Radio telescope picks up new frequency in space
06 August 2018, 10:12 | Justin Tyler
Experts say it is the lowest radio emission received from beyond our Milky Way
Scientists on Planet Earth have detected a rare and enigmatic deep space signal called a "fast radio burst".
According to a statement released in The Astronomer's Telegram (a bulletin board of astronomical observations posted by accredited scientists), the mystery signal - named FRB 180725A after the year, month and day it was detected - transmitted in frequencies as low as 580 megahertz, almost 200 MHz lower than any other FRBs ever detected.
Theories suggest the signal, named FRB 180725A, could originate from a black hole - or even an alien civilisation.
Fast radio bursts are extremely unusual, with the first discovered in 2007 and only two dozen recorded since then. It was the lowest frequency wave ever detected and it came from 3,000,000,000 billion light years away, which means whatever sent the signal sent it billions of years ago from deep space.
'Fast radio bursts are exceedingly bright given their short duration and origin at great distances, and we haven't identified a possible natural source with any confidence, ' Avi Loeb, of the Harvard-Smithsonian Center for Astrophysics research institute, said in 2011.
Located in British Columbia, the new radio telescope heard a odd signal through the noise.
The latest mystery signal was detected by CHIME, a state-of-the-art radio telescope that looks like a skateboarder's half-pipe in the mountains of British Columbia.
The FRB detected in this case, called FRB 180725A, is particularly unique because it had a frequency as low as 580 Mhz.
"Additional FRBs have been found since FRB 180725A and some have flux at frequencies as low as 400 MHz". FRBs are milliseconds-long bursts of radio emissions. "These events have occurred during both the day and night and their arrival times are not correlated with known on-site activities or other known sources of terrestrial RFI [radio-frequency interference]". It was incredible how much energy is required to ensure that the radio signal could be done this way.
No one knows what this mysterious signal is, where it came from, or why it suddenly crossed Earth's radar.
'They could be caused by exploding stars, supernova, exotic stars like pulsars, magnetars, neutron stars or massive black holes at the centre of distant galaxies.
Mysterious radio signals emitted from across the universe. FRBs aren't uncommon, but they are quite special in that their origins are completely unknown.