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

7074.827 - 7093.058 Adam Frank

And so you can look at all chemicals in an atmosphere, even if you don't know whether these could be chemicals that you have no idea whether or not they have anything to do with life. But the degree of disequilibrium, the degree to which they show that that atmosphere has not – the chemicals have not all kind of like just gone down to – they've all reacted away to an equilibrium state.