Celestial planetarium building, futuristic dome-shaped architecture, starry night sky projections, vibrant nebula-inspired colors, LED light installations, fiber optic starfield ceilings, ambient glow effects, soft blue-purple hues, 3D projection mapping, immersive audiovisual experiences, circular seating arrangements, interactive exhibits, space-themed decorations, galaxy-patterned flooring, dark blue walls, twinkling string lights, spherical chandeliers, astronomical instrument displays, educational signage, panoramic views, realistic textures, ambient occlusion.