Minimalist planetarium interior, open space design, starry night sky projection, dark blue tone, sleek metallic accents, circular seating arrangement, ambient soft lighting, futuristic sound system, interactive exhibits, celestial body models, galaxy patterns, nebula-inspired textures, simple color palette, monochromatic scheme, subtle gradients, clean lines, geometric shapes, empty space emphasis, 1/1 composition, shallow depth of field, realistic rendering, atmospheric effects.