Originally Posted by DarthSkywalker
I am thinking Kryptonian atmosphere works like Kryptonite.
Yeah but, from what i understood, Jor-El implied that Earth's younger, more energetic sun and more nutritive atmosphere were the cause of Superman's powers.
I'm not saying he loses them the very moment he abandons said atmosphere (otherwise he wouldn't be able to fight in space), but I thought Jor-El implied that, if you take Earth away, you slowly take away Supes powers.
I may have understood that wrong, though.