An astronaut stands on the rugged surface of a distant asteroid, gazing out at the vast expanse of an asteroid field that stretches beyond the horizon. The scene is a masterpiece of sci-fi wonder, with an atmospheric blend of cosmic colors and shadows casting intricate patterns over the textured surface. The details are strikingly vivid, capturing every nuance of the astronaut's suit and the rocky terrain, all in stunning 4k resolution. Subtle hints of distant galaxies and nebulae add depth to the background, creating an otherworldly sense of scale and adventure.