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
Rann (fictional planet) change in leadership on both sides as leverage. Dox then went on to mediate the tension between the Rannians and the Tamaranians by proposing that the Tamaranians live on Rann's uninhabited southern continent. Blackfire, who had gained a newfound respect for Dox and understood her people's desire to stop wandering the stars, and the Rannians who wished to avoid another costly war and understood the Tamaranians' desire to find a new home, agreed to the arrangement. Rann (fictional planet) Rann is a fictional planet in the Polaris star system (formerly in the Alpha Centauri System) of the whose capital city