A vibrant 50s-style retro sci-fi scene showcasing a bustling diner perched on a rocky asteroid, surrounded by a kaleidoscope of swirling stars and nebulae. Sleek flying cars zip by, leaving trails of luminous colors, as neon signs radiate from the diner, casting dynamic, flickering lights across its chrome exterior. Patrons, comprised of diverse alien species and futuristic humans, enjoy milkshakes under a transparent dome that reveals the vastness of space above. The entire scene is filled with intricate details, from the intricate patterns on the alien outfits to the textured surface of the asteroid and the diner’s vibrant jukebox, all rendered in stunning 4K resolution, creating an immersive and colorful cosmic tableau.