Alien PROOF? Mysterious signals 1.5 billion light years away could be proof of alien life

The idea mankind shares the universe with other life forms has long fired imaginations. Believers in the existence of alien life have just been given a boost, following the detection of puzzling radio signals originating from a galaxy 1.5 billion light years away. Although many experts believe these Fast Radio Bursts (FRBs) are created by powerful astrophysical phenomena – such as black holes and super-dense neutron stars – others believe they could provide evidence of unfathomably advanced alien civilisations.

These mysterious ultra-brief and random radio emissions, which have only been heard for the second time in history, are difficult to detect and almost impossible to study to study.

The puzzling extraterrestrial phenomena have led some experts to postulate some outlandish theories.

Professor Avid Loeb, from the Harvard-Smithsonian Centre for Astrophysics is one who believes the radio waves are evidence of alien technology.

He wrote in a paper published in The Astrophysical Journal Letters: “An artificial origin is worth contemplating and checking.”

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FRBs were first found in 2007, when a burst signal was identified in data collected six years earlier and the latest discovery was made by a Canadian-led team of scientists.

Team located 13 of the inexplicable flashes using the cutting-edge the Canadian Hydrogen Intensity Mapping Experiment radio telescope (CHIME).

These repeating radio bursts have only been detected once before, by Puerto Rico’s Arecibo radio telescope in 2015.

Dr Ingrid Stairs a CHIME astrophysicist, said: “Until now, there was only one known repeating FRB.

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“Knowing that there is another suggests that there could be more out there.

“And with more repeaters and more sources available for study, we may be able to understand these cosmic puzzles – where they are from and what causes them.”

Most of the 13 FRBs showed signs of “scattering” suggesting its source contains near-unimaginable power.

Team member Dr Cherry Ng, from the University of Toronto, Canada, said: “That could mean in some sort of dense clump like a supernova (exploding star) remnant.

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“Or near the central black hole in a galaxy. But it has to be in some special place to give us all the scattering that we see.”

In 2017 Professor Loeb and Harvard colleague Manasvi Lingham announced that FRBs could be the residue from planet-sized alien transmitters.

And the FRBs may be a form of fuel used to propel giant space ships powered by light sails.

A light sail works by bouncing light or radio beams off a huge reflective sheet to provide forward thrust.

“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,” said Loeb in a statement after the publication of a previous paper in the Astrophysical Journal Letters.

“Science isn’t a matter of belief, it’s a matter of evidence. Deciding what’s likely ahead of time limits the possibilities.

“It’s worth putting ideas out there and letting the data be the judge.”