vintage sci-fi poster : black triangle with rainbow moon

abstract academia add adds art artistic balance black bold bright butto's color colorful conceptual contrasting cosmic create creative darks deco depth design digital dimension effect eyecatching fantasy fiction fields geometric graphic imagery imaginative infinite inspired inspiring landscape layered lights luv mars memorable mesmerizing minimalist moon multi-layered occultism outer piece poster queer rainbow ravelo retrofuturistic saturno sci-fi science scifi signature space stunning style symmetry touch triangle true twist unique use vintage work xylophone