Cosmic planetarium building, futuristic architecture, dome-shaped structure, starry night sky, vibrant nebulae, galaxy-inspired lighting, LED installations, fiber optic cables, ambient glow, soft blue hues, dark matter textures, 3D projection mapping, immersive experience, surround sound systems, comfortable seating areas, interactive exhibits, educational displays, astronomical instruments, telescope observatory, celestial body models, space exploration themes, atmospheric misting effects, panoramic views, realistic reflections.