Prompt: A lone surviving astronaut stands amid an immense alien rainforest, wearing a protective jumpsuit and breathing mask. Inspired by the intensely detailed realism of Greg Rutkowski and John M. Gillette, with a painterly style reminiscent of Alan Lee. The astronaut peers through the lush canopy at towering treelike flora in hues of emerald and jade. Subtle beams of sunlight filter through leaves as large as sails, casting dappled lighting. intricate details include the astronaut's equipment, alien plants and insects. 16K oil painting masterpiece.