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 was a newborn, he had no choice in the matter.
Superman comes form the planet Krypton.
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.
Superman was born as Kal-El on Krypton.
Krypton was the planet that the to-be superman was born and raised on, so Krypton came millions of years first.
Superman is from the planet Krypton. He is one of the last survivors from there since it exploded.
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.
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."