Scientists have revealed how humans could make contact with in outer space - and even stop an intergalactic war if successful.Academics have compiled the most comprehensive 'science of extraterrestrial language' yet, designed to ensure any contact made with extraterrestrial life is friendly, and not perceived as hostile.It was estimated in a 2020 study in the Astrophysical Journal that there are around 36 'advanced' civilisations in the Milky Way Galaxy alone, although identifying or contacting any of them has so far remained out of humanity's reach.
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