a gargantuan sun-like sphere engulfs the sky above an advanced city, hinting at a cataclysmic celestial event

cosmic sun sphere cityscape futuristic celestial cataclysm science fiction space event apocalyptic epic solar flare city skyline dystopian fantasy phenomenon galactic atmosphere dramatic energy explosion orange glow heat clouds destruction night astronomical astral fiery inferno urban megacity industrial chaos gargantuan sun-like engulfs sky advanced hinting cataclysmic