Cosmic planetarium dome, immersive starry night sky, dark blue-gray interior walls, sleek metallic railings, circular observation decks, futuristic pod-like seating, interactive exhibits, holographic projections, 3D astronomy visualizations, virtual reality experiences, ambient space soundscape, soft blue-purple lighting, shallow depth of field, panoramic view, realistic textures, ambient occlusion, minimalistic design, optimized crowd flow, efficient visitor circulation, accessible wheelchair ramps, educational signage, informative display screens, stargazing areas, celestial-themed caf\u00e9, galaxy-inspired art installations.