Cosmic planetarium, minimalist architecture, sleek metallic surfaces, glass domes, circular structures, futuristic ambiance, dark blue night sky, starry projections, ambient lighting, soft glow effects, 3D astronomical visuals, interactive exhibits, informative displays, circular seating arrangements, comfortable cushions, premium leather upholstery, polished marble floors, stainless steel handrails, high-tech audio equipment, immersive surround sound, realistic planetary textures, subtle animations.