My theory, alien life will either be nearly impossible to find and we will spend centuries just looking for microbes. Or aliens will turn out to be so common that they could care less who we are and where we came from, and we will just be a new backwards species that turns up at the alien bar.
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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