Cosmic planetarium, mid-century modern architecture, spherical dome structure, starry night sky, ambient soft glow, warm golden lighting, retro-futuristic ambiance, space-inspired decorative elements, constellation patterns, geometric shapes, minimalist interior design, sleek metallic accents, circular seating arrangement, dark blue tones, twinkling string lights, 3D projection mapping technology, immersive audio-visual experience, atmospheric misting effects, panoramic views, high-ceilinged interior spaces, astronomical instruments, celestial bodies displays.