#455 – Adam Frank: Alien Civilizations and the Search for Extraterrestrial Life

908.266 - 929.622 Adam Frank

And just like people have been arguing about the existence of life elsewhere for 2,500 years, people have been arguing about planets for the exact same amount of time, right? You can see Aristotle yelling at Democritus about this. You can see they had very wildly different opinions about how common planets were going to be and how unique Earth was. And that question got answered, right?