1950's illustration style, sci-fi, 1 handsome woman, with a son and daughter

1950's illustration style, sci-fi, 1 handsome woman, with a son and daughter, son dressed in a blue jump suit, girl and mother dressed in pink jumpsuit boots glove retro helmet, right-hand-holding-pistol, retro-futuristic city background, nebula, planets, extremely detailed, high quality, masterpiece, emphasized-detail ,

extra limbs, low quality, low detail, ugly hands, extra fingers, distorted, mangled