A vibrant retro sci-fi scene depicting a classic 1950s-style diner perched atop an asteroid, surrounded by a celestial panorama filled with swirling nebulas and twinkling stars. Flying cars zip by in a dazzling display of dynamic lights, casting colorful reflections onto the diner’s chrome surfaces and neon signs. Intricate details adorn the diner, from the checkered floors to the red leather booths, while patrons in vintage-style spacesuits sip futuristic milkshakes. The bustling atmosphere is a kaleidoscope of colors, blending seamlessly with the deep void of space, creating a mesmerizing 4K visual experience.