Astronomers have detected several unknown signals originating thousands of light years from the planet Earth. The source of these mysterious radio bursts (FRBs) is currently being investigated. Are they of natural origin or signals from an advanced extraterrestrial civilization?
According to scientists from the Green Bank Telescope of West Virginia along with the Arecibo Observatory in Puerto Rico, the signals might come from the Auriga constellation, located about three billion light-years away from the Earth.
A total of 17 such radio signals have been received from this location in space since their discovery in 2007. Now, astronomers have discovered six more bursts of radio signals coming from a place in deep space where similar signals were detected earlier this year and in 2012.
According to an article in the Astrophysical Journal, FRBs are really fast radio signals that last for only a few milliseconds, and can be detected only with special equipment.
These FRBs are very intriguing because even though they exist for such small durations, they tend to generate so much energy that it could parallel the amount of energy generated by the Sun for a whole day!
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At this moment scientist cannot explain the multiple radio signals. It is possible these are solar flares rooting from neutron stars which can produce such repeating signals. There are also speculations that there may be a sufficiently advanced extraterrestrial civilization behind them.
However, at this point, without more evidence to go on, researchers cannot say for certain what’s going on.
“Whether FRB 121102 is a unique object in the currently known sample of FRBs, or all FRBs are capable of repeating, its characterisation is extremely important to understanding fast extragalactic radio transients,” the team writes.