Celestial planetarium interior, mid-century modern aesthetic, rich dark blues, deep indigo tones, warm golden accents, soft creamy whites, bold red highlights, retro-futuristic vibe, curved lines, geometric shapes, minimalist decor, ambient lighting, starry night sky projections, 3D dome ceiling, cozy seating areas, educational displays, interactive exhibits, sleek metallic surfaces, vintage astronomy instruments, warm wood textures, subtle gradient effects, cinematic atmosphere, shallow depth of field.