A celestial starlight unicorn materializes within an infinite cosmos of swirling galaxies and nebula dust, its flowing mane crafted from solidified starlight and crystallized comet trails that cascade into ethereal geometric patterns, body made of polished moonlight with embedded cosmic constellation symbols, dramatic volumetric lighting from a collapsing star creating intense violet and gold flashes, mood of cosmic majesty and ancient celestial wonder, color palette of deep cosmic purple, luminous starlight silver, golden amber, and midnight blue, hyper-detailed starlight fabric physics with cascading galaxy particles and floating luminous stardust, 8K resolution, editorial fashion photography meets celestial fantasy art