Memory and Dome

"Does the Milky Way have memory? Yes. But it's not the kind you understand - it is a scar that heals slowly. Every time a civilization rises, it becomes a scab, and every war and destruction means the wound is reopened. We later observers are just bacteria on the scar. We think we rule the world, but in fact we are only temporarily forgotten by the immune system." *——Excerpted from the seventh ring area of the "Time Library", record No. Θ-17-2045, Carved into the space-time lattice by an unknown advanced civilization in Galactic Era 8724. Translation: Galactic Standard 3rd Edition. *