A beautiful highly detailed digital artwork of a (man astronaut sit above space rocket like on horse riding in space sideview look photorealistic), in the style of space nebula, with the colors of galaxies, featured on Artstation, octane render, 4k, 8k, artstationhq, intense, epic, exciting, wow, panoramic, cinematic, moody, hdri, lens flare, exciting, stop motion, highly detailed, octane render, soft lighting, celestial | Space