Untitled AI art by @ali danesh

Create a captivating cinematic-style illustration for a book cover, featuring a breathtaking night sky filled with swirling galaxies, vibrant nebulae in shades of purple and blue. At the bottom depict a small observatory perched atop a grassy hill. In front of the observatory, show three characters from behind, in a half-body view, standing side by side: a girl, boy, and a man between them. The characters are small in proportion to the entire image, emphasizing the vastness of the sky above. The scene is perfect for a book cover. The layout is A4