Publication history of Superman written by Alan Moore with art by Curt Swan. Although the new Modern Age version of Superman is said to have already been active for many years, most previous Superman appearances and elements were rendered out of continuity by John Byrne's "The Man of Steel". Later stories such as "" bring many of the Silver Age elements back into continuity. In Byrne's version, Superman came from the planet Krypton which was re-imagined as a cold, sterile world in deep contrast to the wonderworld of the past 48 years. Once Kal-El's rocketship (containing genetic materials and a birthing-matrix which resulted in
Z'ha'dum (fictional planet) Z'ha'dum (fictional planet) In the fictional "Babylon 5" universe, Z'ha'dum is the homeworld of an ancient, mysterious race known as the Shadows. The planet is near the galactic rim. The Shadows return to the world every time they are defeated, until their final departure from the galaxy in 2261. The name "Z'ha'dum" was inspired by J. R. R. Tolkien's "Khazad-dûm", the dwarvish name for Moria in Middle-earth. Z'ha'dum has extensive mountain ranges composed of igneous rock and lava fields from volcanoes of glittering obsidian that tower over sediment-covered plains. Weather patterns are violent, with dust storms covering one-quarter of the