retro robot character in starry space

astronomical approachable entertaining imaginative adventurous exploratory fantastical educational background activities mechanical technology artificial futuristic innovative protective optimistic simplified decorative expressive character printable colouring celestial whimsical geometric technical nostalgic inspiring universal coloring sparkles cheerful friendly animated stylized charming creative engaging cartoon vintage perfect drawing android digital playful starry helmet smiles simple future cosmos iconic retro robot space black white stars armor smile sheet scifi cute line