Geometric nebula genesis emerging from algorithmic void, Voronoi cellular star clusters forming sacred geometry stellar nurseries, fractal subdivisioned plasma filaments pulsating in golden ratio frequencies, iridescent metallic violet ultraviolet and obsidian surfaces catching ethereal stellar glow, pure black cosmic void background with floating cosmic dust particles, clean sharp vector lines, digital brutalist astronomical phenomenon, mathematical generative cosmology, ethereal mathematical gravitational wave patterns radiating from algorithmic protostar core, stunningly beautiful