A vibrant and colorful retro sci-fi scene depicting a 1950s-style diner perched on an asteroid in the depths of space, illuminated by dynamic neon lights reflecting off the metallic surfaces. Flying cars with sleek, chrome finishes zip through the starry expanse, leaving trails of luminescent light. The asteroid's rocky texture contrasts with the diner’s polished chrome exterior, where patrons can be seen through large glass windows enjoying classic Americana in a futuristic setting. The starry backdrop twinkles with distant galaxies, showcasing intricate details of a universe bustling with the energy of a bygone era reimagined, all rendered in stunning 4K clarity.