Cosmic planetarium interior, dark blue ceiling, starry night sky projection, twinkling LED lights, nebula-inspired color scheme, soft ambient glow, subtle gradient effects, futuristic lighting fixtures, sleek metal accents, minimalist design, immersive experience, 360-degree dome screen, surround sound system, comfortable seating area, interactive exhibit displays, educational signage, astronomy-themed decorations, moody atmospheric lighting, low-key illumination, dramatic spotlighting, vibrant colored accents.