Here is a General superman question. I understand there could be many answers based on Pre-crisis, Post-Crisis, whatever the new shit they have going on now is, Superman 1-5 movies, MOS and maybe even Superman TAS (is TAS worth watching? i love the GL ones)
IF superman is powered by the yellow sun (as is my understanding) how does he survive in deep space away from his yellow sun powerbase? It always kinda of bugged me when he would go fight Darkside in Apocalypse, i thought he needed our solar system for power. IIRC originally he could only fly due to earths weak gravity, seems like that would be out window in space. Even in superman returns (bleh) he just got back from a trip into deep space to find Krypton, isnt that a pretty heavy risk to be flying out in space with the potential of no yellow suns?