Lone Silhouette in Galactic River AI Image Prompt

A cosmic star river swirling in the wilderness, flowing silvery-white nebula forming a giant C-shaped curved arc passage, countless fine stars scattered, a tiny lone black silhouette walking in the center of the curved star river path, deep pure black cosmic background, overall vast and lonely, healing and ethereal interstellar wilderness atmosphere. The nebula extends from the upper left to the right and then to the lower left, merging with the foreground nebula, the figure at the golden ratio, extreme contrast between tiny figure and vast star river, large area of pure black negative space. Hyper-realistic cosmic starry sky CG concept illustration, fluid nebula texture, style reference: artist Greg Rutkowski's fantasy starry works + Andreas Levers' lonely atmosphere photography, black background with silver-white cool tones accented with warm gold starlight, vast lonely ethereal atmosphere, translucent light effects of fluid nebula, 8K ultra HD, cinematic tranquil light and shadow.