. "Krypton (DC Animated Universe)"@en . . "Krypton"@en . "Krypton was the birth planet of Superman. Krypton's atmosphere caused its populace to develop a molecular density that caused them to have great strength and speed on planets like Earth. The planet was destroyed when Krypton's sun, Rao, went supernova."@en . . . . "Krypton"@en . . . "Destroyed"@en . "Superman: Blasts From The Past"@en . . . "Krypton was the birth planet of Superman. Krypton's atmosphere caused its populace to develop a molecular density that caused them to have great strength and speed on planets like Earth. The planet was destroyed when Krypton's sun, Rao, went supernova."@en . "Superman: The Last Son of Krypton"@en . . "Corvus"@en . .