科幻未来风宇航员漂浮太空调整姿态地球轨道插画

3D rendered sci-fi scene, deep blue background, an adult astronaut in white spacesuit, floating state, no interaction, a giant planet on the right, astronaut suspended between the planet and the background, vast cosmic atmosphere, no decorative elements, no text, strong sense of exploration and loneliness, sci-fi style, intricate details