An echo, when trapped within the curved shell of a conch, becomes a persistent companion to those curious enough to listen. Within this shell, the capture of ambient space reverberations—though seemingly mundane—unravels a universe of sound. Imagine, if you will, the infinite space, not devoid of sound, but filled with the murmurs of celestial events: the whispers of stars in their death throes, the sighs of gas clouds as they stretch thin across the cosmos.