For those of you who saw the Death Battle, you know how powerful Superman can be. If not, link is above for you to find out. (skip to 8:46 for his stats)
But I've found a continuity error. If Kryptonians really are that powerful, then how come a measly planet implosion/explosion killed off most of their race? I understand that they lived under a Red Sun, but they were technologically advanced. Couldn't they have evacuated their population to a yellow star?
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Because most of them didn't think the planet was going to explode. The ones that did, made plans to escape (or their offspring, evident of Kal, Kara, etc.) A better question would be this: what makes Kal so special? If he (Earth-1 Superman) can sneeze and move the galaxy, has nanosecond reaction time, etc., theoretically, couldn't Kara, or Zod, or Christopher (Zod's son) technically achieve that status as well? It's a broken concept, really.