Elegant planetarium interior, Art Nouveau style lighting fixtures, flowing organic shapes, sinuous lines, ornate metalwork, stained glass ceilings, vibrant jewel-toned colors, iridescent glass mosaics, undulating walls, sweeping arches, intricate moldings, luxurious velvet fabrics, rich wood paneling, grandiose chandeliers, soft warm glow, dramatic spotlighting, 1/2 composition, low-angle shot, atmospheric mist, celestial-inspired patterns, opulent textures, subtle animations.