(FOX NEWS) — The world was electrified last year when it was suggested that scientists had spotted an “alien megastructure” orbiting a distant star.

Now a space boffin has suggested huge extraterrestrial constructions could be relatively easy to spot, so long as we look in the right place using the correct tools.

In 2016, one expert suggested the unexplained “winking” behaviour of a far-off sun called Tabby’s Star may have been caused by the rotation of a gigantic craft called a Dyson’s Sphere.

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