#BruceMurray - Why Aren't #Aliens Already Here?

https://www.youtube.com/watch?v=K2cNXcnDvh0&ab_channel=CloserToTruth

#Philosophy #PhilosophyOfScience #PhilosophyOfAstronomy #PhilosophyOfBiology #Life #AlienLife #Civilisation #AlienCivilisation #Astronomy #Astrophysics #Evolution #Exobiology #Biology #Fermi #EnricoFermi #FermiParadox #CloserToTruth #RobertKuhn