2D flat cartoon space background, dark navy-blue sky filled with scattered stars in various sizes and brightness, simple star shapes in white and pale yellow, a glowing crescent moon on the left with soft light around it, lightly textured with small cartoon craters, large muted-colored planets in foreground (light blue, lavender, dusty pink), clean, bold colors, minimalist design, no outlines, soft gradients, childlike and playful aesthetic  --ar 16:9