Inspired by the Greek concept of Aether—the pure and luminous substance believed to fill the heavens—this project reimagines an invisible celestial field as a responsive spatial phenomenon. As individuals move through the environment, the Aether reacts to their presence, flowing, parting, and reforming around them. Through this interaction, the installation makes visible an otherwise unseen relationship between humanity and the surrounding cosmos, transforming an ancient mythological idea into a contemporary experiential encounter.