He was only a baby and his natural father Jor-El placed him into a rocketship because he wanted him off of the planet knowing it was going to explode after the Council did nothing to help evacuate everyone.
Superman left Krypton as it was about to be destroyed due to its unstable core. His parents, Jor-El and Lara, sent him in a spacecraft to Earth to ensure his survival and to fulfill his destiny as a hero.
Superman was a newborn, he had no choice in the matter.
Superman's dad brought him to Earth when he was a baby because the planet Krypton was about to be destroyed. Superman was then adopted by a couple in Kansas.
Krypton was the planet that the to-be superman was born and raised on, so Krypton came millions of years first.
Superman was born as Kal-El on Krypton.
Krypton
Krypton
Krypton
Superman is from the planet krypton.
Rao is the name of the sun that Krypton orbits. Rao was so unstable a race created Krypton to control it. Krypton is extremely powerful, and this is where superman is from.
There is an element called Krypton, it has nothing to do with superheros from another planet.
Kal-El--Superman's real name--was born on the planet Krypton. He was shot into space by his parents before the planet exploded. Thus, radioactive fragments of the plant Krypton are called "Kryptonite."
Superman was from the planet Krypton, which exploded just after he was launched to safety in a rocket built by his father Jor-El.