Strange Pulse from 234 stars. Aliens or not?


(Image of the Sloan Digital Sky Survey telescopes and facility :  All credit due)

Of late, due to the amount of recent misfires in relation to Alien signal detection, sans the Tabbys Star mystery which is still holding it’s ground.  The anthropocentric argument for that we are alone in the universe is gathering ground among the cosmology/physics community.  Not an outright dismissal of possible intelligent lifeforms, but rather attempting to balance the idea that we, humans, may have been a rarity in an indifferent and hostile cosmos.   Still, a split between the possibilities that life does  exist to the rare Earth hypothesis may widen if we do not see an increase in unnatural abnormalities in the Universe.  The good news in ETI (Extraterrestrial intelligence) detection is that our telescopes are becoming more powerful as is the spectrum of detection, which is also becoming more precise – despite the unfavorable odds of finding an alien signal.  For humanity to broaden our of search for Extraterrestrial Life, we may need to be more imaginative within our scientific approach.  Such as looking at stars that pulse into predictable patterns.  Einstein conceptualized the theory of relativity, we may need to do the same with our search for Aliens.  An xeno-structuralist approach to test and predict that we are not alone in the Universe.

From New Scientist:

It’s a bold claim. Two astronomers think they have spotted messages from not just one extraterrestrial civilisation, but 234 of them. The news has sparked a lively debate in the field as other astronomers think the claim is premature and are working fast to get to the bottom of the signals.

In 2012, Ermanno Borra at Laval University in Quebec suggested that an extraterrestrial civilisation might use a laser as a means of interstellar communication. If the little green men simply flashed a laser toward the Earth like a strobe light, we would see periodic bursts of light hidden in the spectrum of their host star. They would be incredibly faint and rapid, but a mathematical analysis could uncover them.

“The kind of energy needed to generate this signal is not crazy,” says Borra. In fact, Borra showed that technology we have on Earth today – specifically the Helios laser at the Lawrence Livermore National Laboratory – could generate that kind of signal, should we want to reveal ourselves to the cosmos.

With this in mind, Borra’s graduate student Eric Trottier combed through 2.5 million stars recorded by the Sloan Digital Sky Survey in search of such a signal. He found it, down to the exact shape, in 234 stars.

The overwhelming majority of those stars are in the same spectral class as the sun, which Borra says supports his hypothesis that this signature must be the result of extraterrestrial intelligent life. And with the data in hand, he thinks that 234 distinct civilisations are beaming pulses of the same periodicity (roughly 1.65 picoseconds) toward the Earth.


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