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

7093.458 - 7116.731 Adam Frank

You can actually tell that in very general ways using what's called the Gibbs free energy. And that's kind of a signature. Like if you see an atmosphere that is wildly out of equilibrium state. You know, that indicates that there's something happening on that planet, biosphere or technosphere, that is pumping gases, you know, into the atmosphere that is keeping the whole system from relaxing.