RT Nick Szabo (@NickSzabo4)There's a ton of interesting organic chemistry that happens on the surfaces of comets and carbonaceous asteroids, due to ultraviolet interacting with methane etc., with the results of those reactions, and so on. I expect they'll find practically every simple molecule that exists in petroleum and living organisms, among many others, along with many complicated ones. That gets us little closer to explaining the wildly improbable configuration of LUCA -- so astronomically improbable ...