Cosmic planetarium dome, sleek metallic exterior, minimalist architecture, neutral color palette, glass curtain walls, cantilevered rooflines, open floor plans, circular seating arrangements, starry night sky projections, ambient LED lighting, soft diffused glow, 3D astronomical visualizations, futuristic exhibit displays, interactive digital installations, polished concrete floors, anodized aluminum accents, minimalist furnishings, ergonomic seating, panoramic observatory views, high-tech audiovisual equipment, immersive cinematic experiences, realistic planetary textures.