A stunning high-resolution image captures an astronaut in a luminescent space suit standing on the tranquil shore of a lake. The scene is set at night, bathed in the glow of a colossal neon triangle that hovers in the sky, casting intricate reflections upon the water's surface. The geometric figure pulses with vibrant colors, illuminating the serene landscape with an otherworldly aura. The setting, reminiscent of a futuristic, alternate reality, showcases the scene in exquisite detail, like a vivid photograph captured with a Fujifilm X-T3 camera, employing advanced ray tracing, 8K UHD clarity, and HDR brilliance, emphasizing every detail in this ethereal nocturnal tableau.