Write a prompt for SD representing professional ominous concept art of an astronaut walking on an alien planet by  and   thin white border . an 
professional ominous concept art of an astronaut walking on an alien planet by artgerm and greg rutkowski ( thin white border ). an intricate, elegant, highly detailed digital painting, concept art, smooth, sharp focus, illustration, in the style of cam sykes, wayne barlowe, igor kieryluk.