Male astronaut in nebula-themed powered armor

This stunning digital illustration depicts a sci-fi space soldier,, captured in a dynamic combat pose amidst the vast, shimmering expanse of a cosmic nebula. The artist has expertly rendered the suit, which features a deep-space blue finish integrated with glowing, golden electrical-like conduits that pulse with energy. The character's face is visible, highlighted by a stark, metallic skull-patterned mask that gives the astronaut a menacing yet heroic aesthetic. The composition is highly kinetic, with the soldier striding forward, suggesting an active mission in deep space. Behind the subject, a vibrant, multi-colored nebula cloud arches across the frame, providing a sharp contrast to the dark void of the cosmos. The lighting appears to originate from within the suit's own circuitry and the surrounding cosmic dust, creating high-contrast rim lighting that emphasizes the soldier's silhouette and formidable armor design.