A vibrant retro sci-fi scene depicting a classic 1950s-style diner perched on a small asteroid, surrounded by a sea of stars and distant galaxies. Flying cars with sleek, chrome finishes zip through the cosmic expanse, casting dynamic, colorful lights onto the asteroid. The diner's neon signs glow vividly, reflecting off the polished surfaces of the cars and the rocky terrain. Inside, patrons from various interstellar backgrounds enjoy their meals, while a jukebox hums an otherworldly tune. The intricate details of the diner, from its red leather booths to its checkerboard floor, are captured in stunning 4K resolution, offering a kaleidoscope of colors and textures that bring the scene to life.