Imagine a shoe concept that is futuristic and visually arresting. Envision a sneaker colored in rich tones of purple and gold. The design inspiration comes from space holograms, giving it an ethereal and otherworldly appearance. The shoe is dominated by dazzling holographic patterns and illuminations, evoking images of distant galaxies, nebulae, and cosmic phenomena. This design makes use of modern materials to create a look that is truly out-of-this-world. It's important to note that there should be absolutely no text present within the image.