Celestial planetarium, dark blue dome, twinkling starry night sky, soft glow of constellations, nebula-inspired color scheme, harmonious blend of blues and purples, gradient effect, iridescent hues, shimmering stardust textures, metallic accents, sleek modern architecture, futuristic lines, circular seating arrangement, ambient lighting, misty atmospheric effects, 360-degree panoramic view, high-resolution visuals, realistic rendering, subtle animations.