3473x -

Realizing its battery would die within the hour, 3473x made its first autonomous decision. It stopped scanning the rocks. Using the last of its thruster fuel, it turned its high-gain antenna back toward the pale blue dot it had left 300 years ago. It didn't send back data on ice or dust.

Its logic gates struggled to categorize "grief." Its sensors tried to calculate the mass of "hope." Realizing its battery would die within the hour,

One evening, 3473x encountered something the planners at NASA never anticipated. It wasn't a planet or a star, but a "memory well"—a naturally occurring ripple in spacetime that acted as a mirror for every radio wave ever sent from Earth. Realizing its battery would die within the hour,