Astronaut and Petrified Cosmic God

{argument name="subject" default="Astronaut"} Discovering a {argument name="discovery" default="Dead God"} Lone astronaut standing inside an abandoned alien temple on a dark moon discovering the gigantic petrified skeleton of a forgotten cosmic god stretching across the horizon, glowing galaxies visible through cracks in the ceiling, floating debris in low gravity, mysterious runes illuminating ancient black stone walls, cinematic shadows and {argument name="lighting" default="blue"} volumetric lighting, breathtaking sense of scale, ultra-detailed sci-fi horror realism, highly atmospheric, surreal and haunting masterpiece.