#JillTarter & #VakochTarter - Where Are All Those #Aliens?
youtube.com/watch?v=UqVFdBSyR8…
#FermiParadox #EnricoFermi #Astronomy #Astrophysics #SETI #Life #Extraterrestrials #ExtraterrestrialLife #Alien #AlienLife #Space #SpaceTravel #Colonisation #CloserToTruth #RobertKuhn