On a routine survey mission studying a neutron star, an Academy starship receives a transmission in an unknown language. Before leaving the area, the starship launches a series of satellites to find the signal--and perhaps discover its origins. Five years later, a satellite finally...
Something-or somebody-has left a series of satellites in orbit around various planets in the galaxy. Now a crew sets off to discover the origin of the satellites-and learn if mankind is no longer alone among the stars.