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.  These

theoretical “megastructures” were dreamed up in the 1960s, when Freeman Dyson and Nikolai Kardashev suggested an advanced civilization would inevitably seek to build a huge structure around a star to harvest its massive power. Now an astronomer called Zaza Osmanov from the Free University of Tbilisi, Georgia, has suggested these gigantic solar power plants might be relatively easy to spot using current technology. FULL REPORT