Galaxy Express 999, majestic space train, cosmic railway, starry background, nebulae and colorful galaxies, retro-futuristic locomotive design, gleaming metallic exterior, red and gold accents, steam-like energy trail, glass observation dome, visible passenger cars,, passing comets and asteroids, planet silhouettes on horizon, twinkling stars, cosmic dust clouds, ethereal glow around train, vintage sci-fi aesthetic, ,eco-friendly train,hyperrealistic,
