Realm of the Boltzmann Brains
From Tardis Wiki, the free Doctor Who reference
According to the Fourteenth Doctor, the edge of the universe was located beyond the Realm of the Boltzmann Brains and the Condensate Reefs. (TV: Wild Blue Yonder [+]Loading...["Wild Blue Yonder (TV story)"], PROSE: Wild Blue Yonder [+]Loading...["Wild Blue Yonder (novelisation)"])
