Create an image of a cosmic eye, where the pupil is a swirling galaxy and the iris is made up of twinkling stars, set against a backdrop of a vast and mysterious universe.

Generate an image of an ethereal cosmic eye. The eye's pupil is designed to look like a swirling galaxy with a myriad of stars and celestial bodies gently spiraling around a black center. The iris, likewise, is composed of countless twinkling stars, creating a stunning effect of an ocean of lights. All of this is set against a mesmerizing backdrop of a vast and mysterious universe filled with distant galaxies, nebulae, and mysterious cosmic phenomena.