A vibrant retro sci-fi scene set in the 1950s-style diner perched on the edge of an asteroid, surrounded by the expansive beauty of space. Flying cars zip by in a dazzling display, their sleek designs casting dynamic, colorful lights across the diner’s neon signs and chrome accents. The asteroid’s surface is dotted with an assortment of exotic alien flora, glowing softly under the star-speckled sky. Inside the diner, the décor reflects the era with curved vinyl booths and checkered floors, yet with futuristic twists like floating trays and holographic menus. The atmosphere is lively, with patrons from different worlds enjoying a cosmic jukebox, while a panorama of swirling nebulae and vibrant planetary rings forms an awe-inspiring backdrop, all captured in intricate 4K detail.