Chắc một nơi đó là Hoa Thanh Táo

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Aliens coming to planet Earth for a quick chat and visit would probably top any other global headline news that day.

But what if they weren't the ET-amiable (tử tế, tốt bụng; nhã nhặn, hòa nhã) type and more the blow-us-up Independence Day kind?

One PhD student in Spain has considered such scenario (kịch bản) and calculated that approximately four "malicious (hiểm độc, có ác tâm; có hiềm thù, cố tình làm hại) extra-terrestrial civilisations” could be living in our very own Milky Way right now.

However, Alberto Caballero's paper called Estimating the Prevalence of Malicious Extraterrestrial Civilizations - which has not been peer reviewed - concluded that the chance of an evil alien race invading Earth is "very low" and that we are more likely to be killed off by a giant asteroid (hành tinh nhỏ).

Bài trước: Ở Việt Nam thì tha hồ nhắm