Are These Mystery Radio Bursts Messages From Aliens?

In 1967 British astronomer Jocelyn Bell Burnell was left stunned by mysterious pulsing signals she detected coming from outside the solar sy...

In 1967 British astronomer Jocelyn Bell Burnell was left stunned by mysterious pulsing signals she detected coming from outside the solar system.

For months she suggested the signals could be of an extraterrestrial intelligent origin, but they were later proven to be rapidly spinning stars known as pulsars.

However, a new series of mysterious signals, known as Fast Radio Bursts (FRBs), has again got astronomers scratching their heads and wondering if, maybe, we’re picking up alien messages.

Are These Mystery Radio Bursts Messages From Aliens?

In 2007 a radio burst was picked up by astronomer Duncan Lorimer and his team. The origin of the signal could be colliding neutron stars or possibly an alien message. This image shows the dispersed signal from the original millisecond radio burst that suggests it must have originated billions of light-years away

FRBs are radio emissions that appear temporarily and randomly, making them not only hard to find, but also hard to study.

The mystery stems from the fact it is not known what could produce such a short and sharp burst, writes Katherine Mack of The Planetary Society.

This has led some to speculate they could be anything from stars colliding to artificially created messages.

The first FRB was spotted, or rather ‘heard’ by radio telescopes, back in 2007 - but it was so temporary and seemingly random that it took years for astronomers to even agree it wasn’t a glitch in one of the telescope's instruments.

The signal, which lasted just five milliseconds, was named the Lorimer burst after its discoverer, Duncan Lorimer.

The radio emission was so dispersed, experts suggested it must have come from a great distance away, possibly billions of light-years.

But early estimates said there should be 10,000 of these events a day – so the fact that another wasn’t discovered until 2012 was troubling.

This was when data from the Parkes Radio Telescope in Australia suggested it had heard another FRB, along with a handful of others, but the fact that only Parkes had detected the signals had some claiming these were merely instrument glitches.

A recent discovery, in April of this year, of an FRB using the giant radio dish in Puerto Rico confirmed to astronomers that these signals are indeed real – but they’re no closer to finding out an answer as to what they are.

Theories so far include flaring stars, white dwarfs merging, neutron stars colliding and – most intriguingly – alien signals.

A follow-up observation was made by the Parkes Radio Telescope, time-lapse photo shown, in 2012. However it was not until April of this year that the signal was ruled out as an instrument glitch when the Arecibo Observatory in Puerto Rico picked up a similar signal. But the mystery of its true origin persists

Are These Mystery Radio Bursts Messages From Aliens?
Aside from the extraterrestrial origin explanation, another is that it could be caused by the collision of two neutron stars (artist's illustration shown). When neutron stars collide a black hole is normally formed, in addition to a magnetic field trillions of times stronger than that of Earth, in just two milliseconds

‘This extraordinary finding either indicates an as yet unknown or unusual astronomical phenomenon, or it could indicate that this is a vast alien communication network, and the universe is teeming with intelligent life forms,’ says Nigel Watson, author of the UFO Investigations Manual.

‘Every unusual signal from outer space encourages us to wonder if it is from an alien civilisation.

‘Since this signal seems so elusive and hard to interpret then this should be a candidate for further analysis.

Are These Mystery Radio Bursts Messages From Aliens?

‘It would be fantastic if this was an alien signal as the knowledge that we are not alone in this vast universe would have a dramatic impact on our perception of our place in the scheme of things.'

For now, however, FRBs remain very much a mystery.

It will take further studies and observations in future to truly determine where they come from, and what is causing them. Until then, it’s difficult to rule any particular theory out of the window.



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