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Top scientist can’t rule out ‘alien megastructure’ is orbiting distant star

alien-megastructure-Tabby's Star

A distant star named Tabby’s Star is still a mystery to scientists since they failed to logically explain the megastructure that is orbiting around the star.

Astronomers began theorising what could be causing the regular change in light in the star using the Kepler Telescope, with one of the most popular but barmy theories being that an advanced alien civilisation had established a megastructure – known as a Dyson sphere – to harbour energy from the star.

Almost half-a-year on, experts still have no idea as to what is surrounding the star, with the most plausible explanation of a trail of comets being ruled out.

Louisiana State University astronomer Bradley Schaefer, who was part of a Nobel Prize winning team for the discovery of Dark Energy, said: “The comet-family idea was reasonably put forth as the best of the proposals, even while acknowledging that they all were a poor lot.

“But now we have a refutation of the idea, and indeed, of all published ideas.”

But, he added: “Just because we have refuted one explanation, it doesn’t mean we know what’s going on.

“Perhaps the dimming is caused by some other idea that no-one has put on the table yet – we just don’t know.”

However, it was recently discovered that Tabby’s Star has been dipping in brightness by up to 20% for the last century, which could potentially rule out a Dyson sphere.

Schaefer added: “The timescale of building something like a Dyson sphere is likely to be millions of years, not a century.

“Sure, there might be aliens out there.

But just because you don’t know what’s going on, it doesn’t mean you can fill in the blanks with wild speculation.”



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