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ALIENS visiting Earth could be super-beings powered by AI technology far beyond anything we know, an expert warns.
And they could be so advanced they look down on us like ants – so we will have to hope they “extend their tentacles in peace”, says Dr Luisa Preston.
It comes as a new BBC documentary imagines how the world would react to a visit by extraterrestrials – from internet memes to panic buying of loo rolls and guns.
Dr Preston, a lecturer in planetary science and astrobiology at University College London, says we could have a lot to fear.