astronauts fly in space. a boy, a girl, dogs in astronaut costumes and a flying saucer of aliens and planets in the background.

astronaut dog cosmonaut star plate card cute galaxy planet cosmos child childhood baby kid fantasy scifi color style flying funny sky flat universe cosmic mystery object world travel saucer space vector cartoon illustration happiness happy friendly joyful purple blue eyes gradient girl big flies dreams background helmet ufo day spacecraft fly spaceship ship banner landscape horizontal wallpaper animal curiosity astronauts boy dogs costumes aliens planets mood joy fun space background