Highly detailed, ultra-realistic sci-fi comic book style illustration of astronauts exploring unknown cosmic frontiers. Show dynamic action poses with astronauts in futuristic space suits, walking on alien landscapes with craters, glowing crystals, and st

Highly detailed, ultra-realistic sci-fi comic book style illustration of astronauts exploring unknown cosmic frontiers. Show dynamic action poses with astronauts in futuristic space suits, walking on alien landscapes with craters, glowing crystals, and strange alien vegetation. In the background, mysterious planets, swirling galaxies, and a massive spaceship orbiting. Include dramatic lighting, bold shadows, and vibrant contrasting colors for a retro comic-book feel. Make it cinematic, intense, and visually engaging. No text, no logos, no captions.