A stunning space cowgirl with long flowing hair, decked in a futuristic, sleek metallic outfit adorned with cosmic patterns, rides a bioluminescent robotic horse across a rugged alien landscape. The scene is set in a vivid sci-fi wild west, with colorful nebulae and distant planets painting the sky. Her wide-brimmed hat is fitted with advanced technology, and she wears a confident, adventurous expression. The futuristic desert around her is dotted with strange rock formations and clusters of glowing alien cacti. This ultra-detailed, realistic scene captures the essence of a space age era, reflecting the seamless blend of classic western elements with cutting-edge sci-fi, framed in a captivating 8k resolution.