The Interstellar Train That Never Closes

Astronauts drift in the orbit of Jupiter, keeping company with the steel-shelled stars. Suddenly a pulse signal from an unknown dimension was received - translated as an ancient poem. He deciphered proof of the existence of another lonely soul, and from then on sent his heartbeat frequency into the void every night. Gravity has become a luxury product, but the response from light years away makes wandering the way back. They made an appointment to meet before the heat death of the universe.