### Human: Create a prompt for Stable Diffusion portraying  character concept art portrait of an astronaut floating in an empty chamber### Assistant: detailed character concept art portrait of an astronaut floating in an empty chamber, artstation, award-winning realistic sci-fi concept art by zdzisław beksinski and greg rutkowski, jim burns, a realismmasterpiece, james gilleard, bruegel, alphonse mucha, and yoshitaka amano