dreamy cosmic background with vibrant nebula clouds in shades of pink, purple, and blue, with sparkling stars

cosmic nebula space stars dreamy vibrant pink purple blue celestial galaxy universe sparkling clouds background starry outerspace mystical fantasy dreamlike nebulae surreal night cosmicart cosmicbackground colorful stardust vastness spaceart dreamybackground astronomical nebulaclash milkyway cosmicwonder outerworld nebulaclosure glowingstars starrysky cosmicdream celestialvibes vibrantcolors dreamscape