The Adventures of Superman (radio) home planet of Krypton is located on the far side of the sun, as opposed to a distant star system as it is in most stories. During the journey to Earth, baby Kal-el grows into an adult and emerges fully grown from his ship after it lands on Earth. He is never adopted by the Kents but immediately begins his superhero career. This was eventually retconned in later episodes to match the narrative of the comic books. This serial introduced the fictional mineral kryptonite, the radiation from which can weaken and even (in some continuities) kill Superman. Aside from giving
Superman: Earth One Superman and his origin, and tells Lee to locate him. After his ordeal, Clark walks home. The boss of the research company finds him and offers him a job, which Clark declines. A Dheronian battleship crash-lands in an indoor football field. Clark purchases some new clothing and formulates a "Clark Kent disguise". He returns to the "Daily Planet", which is more enthusiastic and successful because its coverage of the invasion and Superman was superior to that of rival news media. Perry does not know what to call the new superhero until Clark suggests the name "Superman". Clark is hired because