A retro-futuristic scene set on a bustling asteroid where a classic 1950s-style diner serves as the centerpiece. Sleek, chrome-plated flying cars dart around, casting dynamic beams of multicolored lights that illuminate the cosmic setting. Stars glitter in the vastness of space, while neon signs flicker invitingly around the diner’s entrance. Astronauts and aliens alike gather inside, enjoying milkshakes and cosmic concoctions. The asteroid’s rocky surface contrasts with the diner’s bright, pastel-colored exterior, dotted with intricate details like vintage advertisements and retro seating arrangements. The entire scene bursts with vibrant colors, capturing the essence of a nostalgic yet fantastical vision of the future, rendered in stunning 4K clarity.