A lone astronaut floating in space, tethered to a spacecraft, Earth as the backdrop, awe-inspiring scenery, futuristic suit design, steely determination, futuristic style, immaculate attention to anatomy, hyper-detailed spacesuit, otherworldly lighting, evocative sense of isolation, cosmic grandeur, stunning visual effects, remarkable attention to physics, cutting-edge digital art, awe-inducing realism, cinematic quality.