In 2183 a starship capable of traveling 10 million light years a day is sent to explore the Supervoid, an empty space over a billion light years in area which is 3 billion light years away toward the constellation Eridanus. First conjectured in 2007 (to explain a "cold spot" within data from the Cosmic Microwave Background), confirmed in 2015, the Supervoid has prompted speculations among physicists running a gamut: Is it an observational error? Is it merely empty, but huge - one of the two or three largest voids within this universe? Is it from a collision with another Universe? Or is it from a rip in space, a rip which will destroy this universe? This odyssey is set within the framework of B. B. Irvine's Spacer Series but goes far beyond it...