In addition, the ability to generate atomic energy out of her butt through eating criminals, such as Lex Luthor, (and innocent bystanders on a few occasions, when she really, really needed the methane, was starving to death, or needed the huge belly to do fetish porn to earn badly needed funds for the Justice League) has enabled her to keep planets where the nearby star has died warm until her hubby can haul a star by from elsewhere. After eating criminals, they are converted into methane. It is believed she converts all her bodily waste into various gases, except for a few occasions when she eats several thousand tons of "food" in one sitting, after which, she produces a huge crap. Unless she has a stomach virus, Supergirl will frequently poop out good people from the villains she eats; g