An ultrarealistic depiction of an astronaut in a cutting-edge spacesuit, set against a backdrop of epic fantasy elements, with dramatic and ethereal lighting akin to satellite imagery. The scene is futuristic, captured with the clarity of studio light, showcasing intricate details and vibrant colors in 8k resolution. The composition is in an aspect ratio that enhances the grandeur and scale of the celestial landscape, with a subtle play of shadows and highlights that evoke a sense of wonder and adventure.