File photo: The spiral galaxy M101 is pictured in this undated photo handout from NASA’s Chandra X-Ray Observatory. M101 is a spiral galaxy like our Milky way, but about 70 percent bigger. It is located about 21 million light-years from Earth. REUTERS/NASA/handout via Reuters
A mysterious fast radio burst (FRB) that hit Earth at the end of the previous month is detected. While this type of activity is not common, is not unusual.
The part that is puzzling scientists is not the radio burst itself, but the fact that the frequency of about 200 mhz lower than that of the other radio burst ever found.
The signal was spotted by a telescope in Canada and posted on The Astronomer’s Telegram on July 25, and is referred to as FRB 180725A after the year, the month and the day that he was discovered.
The FRB was detected at a frequency of 580 MHz, which is considerably lower than others detected in the past.
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The discoverer, Patrick Boyle of the McGill University, acknowledged that it is not immediately clear what the FRB was, adding that other bursts with low frequencies have been found and are not of earthly origin.
“Additional FRBs have been found since FRB 180725A and some have flux at a frequency as low as 400 MHz,” Boyle wrote. “These events have taken place, both during the day and the night and their arrival times are not correlated with known activities at the site or other known sources of terrestrial RFI. “
While Astronomer’s Telegram allows astronomers to submit genuine claims, FRB 180725A has not yet been independently verified, so the possibility exists that it could be interpreted.
USA Today reports that in 1998 a radio signal in the space was found later found to have come from a microwave.
In March of this year, an astronomer thought he had discovered a new bright star, according to LiveScience. It turns out that the astronomer had actually rediscovered Mars.
Still, FRBs, which were first discovered in 2007, are relatively new to astronomers, and their origins are mysterious. According to ScienceAlert, some of them can generate as much energy as 500 million Suns in a few milliseconds.
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A FRB is found to repeat itself of the same location, allowing scientists to find its origin outside the milky way galaxy.
The origin of the FRB discovered at the end of July may have resulted from a number of events, such as evaporating black holes and erupting neutron stars, according to the Nature.
However, astronomers, including Harvard’s, have also previously said they could not exclude the possibility that FRBs may result from advanced civilizations deep in space.
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