If at all, the possibility that aliens exist is true, the reason we have been unable to find them, is perhaps because they have no desire to communicate with us, or even visit earth. In a paper that Alberto Callabero published, he claims that there are at least four alien civilisations in the Milky Way galaxy, that could attack our planet. Are there really 4 evil alien civilizations in the galaxy that could attack earth.
#alien #space #aliens #nasa
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