A Voice from Deep Space

In 2119, humanity built the world's largest radio telescope array, the Celestial Dome, capable of “hearing” the background radiation from the birth of the universe. But during a routine survey, it detected something that shouldn't exist: a steady, rhythmic signal, like a heartbeat, or a call from somewhere. Its source lies just 1.3 light-years from Earth, at the gravitational boundary of the solar system…