Celestial planetarium dome, dark blues and purples, starry night sky, nebula-inspired hues, iridescent accents, shimmering silver details, soft glowing lights, ambient atmospheric effects, 3D projection mapping, immersive experience, futuristic architecture, sleek metallic surfaces, minimalist design, subtle gradient transitions, deep space exploration, astronomical instruments, telescopes, galaxy-inspired patterns, cosmic textures, ethereal ambiance, dreamy quality, infinite darkness, twinkling starlight.