Digital illustration, cartoon style, depicting a whimsical scene with a young astronaut riding a cow. The astronaut is wearing a blue spacesuit with a helmet and is holding onto the cow's horns. The cow is blue with white spots and has a friendly expression. In the background, there are mountains and a starry sky with a full moon. A small pink pig is also present in the scene, looking up at the astronaut. The overall composition is playful and imaginative, capturing a moment of adventure and exp