Create an image of a lone figure, silhouetted against a vast, flowing river of stardust, cascading down a green, grassy slope. The river of stardust is the focal point, rendered with swirling, luminous lines and countless twinkling stars, creating a sense of ethereal movement and cosmic energy. The stardust contrasts sharply against a deep, star-speckled black void that surrounds the slope. The grassy surface has subtle texturing, and a small amount of light interacts with the grass, with the figure as a simple silhouette, emphasizing the scale of the cosmos. The overall aesthetic should evoke a sense of wonder, solitude, and exploration. The style should be photorealistic with a slight dreamy quality.