Adam Frank: belief

Transcript context

…Day by day, this changes for me, but I just see that once you create bacteria, it is off to the races. You’re going to get complex life as long as you have enough time. That boring billion, but I just can’t imagine a habitable planet not having a couple of billion to spare. Yeah, a couple billion years to spare. There is a mystery there about why did it take so long with the Cambrian explosion, but that may be again, about these windows. That it couldn’t happen until the window, the planet and the life had evolved together enough that they together opened the window for the next step. Intelligent life and how long intelligent, technological civilizations, I think there’s a big question about how long those last. And I’m hopeful, but in terms of just, I think life is absolutely going to be common, pretty common in the universe. Yeah. I think, again, if I were to bet everything, even in advanced civilizations are common. So, to me then the only explanation is the L. Our galaxy is a graveyard of civilizations.…

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