Tags:
fermi paradox universe alien life Fermi paradox Enrico Fermi (Academic) Physics (Field Of Study) aliens death Ufo Space Alien space ship Planet Predator science science fiction solution great filter stars tape genesis destruction god Kardashev scale set debate definition solved sun interstellar galaxy mars earth facts wait but why doctor who Milky Way (Galaxy) star gate borg star wars Star trek Vsauce infographic animation kurzgesagt in a nutshell destiny