If there is one thing that we’ve learnt during these days is that astronomers are not able to keep secrets.
In fact, news of an enigmatic radio signal from the direction of Proxima Centauri, the Sun’s nearest stellar neighbour, is plastering the headlines.
The discovery was leaked to the British newspaper The Guardian, which reported the story December 18. Researchers subsequently granted interviews to Scientific American and National Geographic. Since then, however, the discovery team has remained tight-lipped about the signal.
Have we just detected a radio communication from aliens?
Well, I really wish we had: unfortunately, there are some clues that it might be a radio signal from an artificial Earth-satellite.
take a look at what we know: this will help us to take stock of the situation.

The Proxima Centauri radio signal detection recalls the “Wow!” signal detection: on august 15, 1977, the Big Ear Radio Telescope in Delaware, Ohio, received the most powerful signal it would ever detect during its decades of observations.
The signal lasted just 72 seconds, but when an astronomer spotted it on a computer printout days later, he was so impressed that he quickly scrawled “Wow!” in red pen across the page. The data looked much like what SETI astronomers expected to see from an alien intelligence. However, despite many attempts to follow up on the find, the so-called “Wow! Signal” has never reappeared.

“Was that E.T. or was it not E.T.? Nobody knows,” Seth Shostak, said senior astronomer at the SETI Institute “Nobody has ever found another explanation for what that might have been. It’s like you hear chains rattling in your attic and you think ‘My god ghosts are real.’ But then you never hear them again, so what do you think?”

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