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
Aurora (fictional planet) is also very restrictive sexually, whereas Aurora was basically a free love society. The changes are implied to be a deliberate effort to differentiate Mycogenians from outsiders. In "Foundation and Earth", the searchers for Earth visit Aurora, along with other ancient settlements. The planet is by then not inhabited by human beings, and its desertified ecology is dominated by feral dogs. Aurora (fictional planet) Aurora is a fictional planet in Isaac Asimov's "Robot" series. It was the first world settled by the Spacers, originally named 'New Earth'; it was located 3.7 parsecs (12 light years) from Earth. In Asimov's fictional