Encyclopedia Galactica
The Encyclopædia Galactica is a fictional or hypothetical encyclopædia of a future human galaxy-spanning civilization, containing all the knowledge accumulated by a society with quadrillions of people and thousands of years of history. The name evokes the exhaustive and imperialistic aspects of the real-life Encyclopædia Britannica.
Read more about Encyclopedia Galactica: Asimov's Encyclopædia Galactica, Later Instances